| GOID Link to GO |
Functional Category | Description | Protein Count link to protein list |
|---|---|---|---|
| GO:0040035 | hermaphrodite genitalia development | The process whose specific outcome is the progression of the hermaphrodite genitalia over time, from formation to the mature structures. | 197 |
| GO:0007283 | spermatogenesis | The process of formation of spermatozoa, including spermatocytogenesis and spermiogenesis. | 88 |
| GO:0018991 | oviposition | The deposition of eggs (either fertilized or not) upon a surface or into a medium such as water. | 86 |
| GO:0048477 | oogenesis | The complete process of formation and maturation of an ovum or female gamete from a primordial female germ cell. Examples of this process are found in Mus musculus and Drosophila melanogaster. | 85 |
| GO:0019083 | viral transcription | The mechanisms involved in viral gene transcription, especially referring to those with temporal properties unique to viral transcription. | 74 |
| GO:0007286 | spermatid development | The process whose specific outcome is the progression of a spermatid over time, from its formation to the mature structure. | 59 |
| GO:0048608 | reproductive structure development | The reproductive developmental process whose specific outcome is the progression of structures that will be used in the process of creating new individuals from one or more parents, from their formation to the mature structures. | 54 |
| GO:0008406 | gonad development | The process whose specific outcome is the progression of the gonad over time, from its formation to the mature structure. The gonad is an animal organ that produces gametes; in some species it also produces hormones. | 53 |
| GO:0007126 | meiosis | A cell cycle process comprising the steps by which a cell progresses through the nuclear division phase of a meiotic cell cycle. A meiotic cell cycle is the specialized nuclear and cell division in which a single diploid cell undergoes two nuclear divisions following a single round of DNA replication in order to produce four daughter cells that contain half the number of chromosomes as the diploid cell. Meiotic division occurs during the formation of gametes from diploid organisms and at the beginning of haplophase in those organisms that alternate between diploid and haploid generations. | 51 |
| GO:0007298 | border follicle cell migration | The directed movement of a border cell through the nurse cells to reach the oocyte. An example of this is found in Drosophila melanogaster. | 50 |
| GO:0003006 | developmental process involved in reproduction | A developmental process in which a progressive change in the state of some part of an organism specifically contributes to its ability to form offspring. | 50 |
| GO:0022414 | reproductive process | A biological process that directly contributes to the process of producing new individuals by one or two organisms. The new individuals inherit some proportion of their genetic material from the parent or parents. | 41 |
| GO:0019048 | virus-host interaction | Interactions, directly with the host cell macromolecular machinery, to allow virus replication. | 41 |
| GO:0007281 | germ cell development | The process whose specific outcome is the progression of an immature germ cell over time, from its formation to the mature structure (gamete). A germ cell is any reproductive cell in a multicellular organism. | 41 |
| GO:0048610 | cellular process involved in reproduction | A process, occurring at the cellular level, that is involved in the reproductive function of a multicellular or single-celled organism. | 40 |
| GO:0035046 | pronuclear migration | The directed movement of the male and female pronuclei towards each other prior to their fusion. | 37 |
| GO:0007339 | binding of sperm to zona pellucida | The process in which the sperm binds to the zona pellucida glycoprotein layer of the egg. The process begins with the attachment of the sperm plasma membrane to the zona pellucida and includes attachment of the acrosome inner membrane to the zona pellucida after the acrosomal reaction takes place. | 32 |
| GO:0007291 | sperm individualization | The resolution of the male germline syncytium or cyst into individual gametes by packaging each spermatid into its own plasma membrane. | 31 |
| GO:0048609 | multicellular organismal reproductive process | The process, occurring above the cellular level, that is pertinent to the reproductive function of a multicellular organism. This includes the integrated processes at the level of tissues and organs. | 28 |
| GO:0030437 | ascospore formation | The process in which cells that are products of meiosis acquire the specialized features of ascospores. Ascospores are generally found in clusters of four or eight spores within a single mother cell, the ascus, and are characteristic of the ascomycete fungi (phylum Ascomycota). | 28 |
| GO:0009860 | pollen tube growth | Growth of pollen via tip extension of the intine wall. | 26 |
| GO:0019953 | sexual reproduction | The regular alternation, in the life cycle of haplontic, diplontic and diplohaplontic organisms, of meiosis and fertilization which provides for the production offspring. In diplontic organisms there is a life cycle in which the products of meiosis behave directly as gametes, fusing to form a zygote from which the diploid, or sexually reproductive polyploid, adult organism will develop. In diplohaplontic organisms a haploid phase (gametophyte) exists in the life cycle between meiosis and fertilization (e.g. higher plants, many algae and Fungi); the products of meiosis are spores that develop as haploid individuals from which haploid gametes develop to form a diploid zygote; diplohaplontic organisms show an alternation of haploid and diploid generations. In haplontic organisms meiosis occurs in the zygote, giving rise to four haploid cells (e.g. many algae and protozoa), only the zygote is diploid and this may form a resistant spore, tiding organisms over hard times. | 26 |
| GO:0007276 | gamete generation | The generation and maintenance of gametes in a multicellular organism. A gamete is a haploid reproductive cell. | 26 |
| GO:0044702 | single organism reproductive process | A biological process that directly contributes to the process of producing new individuals, involving a single organism. | 25 |
| GO:0045451 | pole plasm oskar mRNA localization | Any process in which oskar mRNA is transported to, or maintained in, the oocyte pole plasm. | 24 |
| GO:0008103 | oocyte microtubule cytoskeleton polarization | Establishment and maintenance of a specific axis of polarity of the oocyte microtubule network. The axis is set so that the minus and plus ends of the microtubules of the mid stage oocyte are positioned along the anterior cortex and at the posterior pole, respectively. An example of this is found in Drosophila melanogaster. | 24 |
| GO:0008049 | male courtship behavior | The actions or reactions of a male, for the purpose of attracting a sexual partner. An example of this process is found in Drosophila melanogaster. | 23 |
| GO:0046843 | dorsal appendage formation | Establishment of the dorsal filaments, elaborate specializations of the chorion that protrude from the anterior end of the egg and facilitate embryonic respiration. | 22 |
| GO:0000212 | meiotic spindle organization | A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the microtubule spindle during a meiotic cell cycle. | 21 |
| GO:0007141 | male meiosis I | A cell cycle process comprising the steps by which a cell progresses through male meiosis I, the first meiotic division in the male germline. | 21 |
| GO:0008542 | visual learning | Any process in an organism in which a change in behavior of an individual occurs in response to repeated exposure to a visual cue. | 20 |
| GO:0008584 | male gonad development | The process whose specific outcome is the progression of the male gonad over time, from its formation to the mature structure. | 20 |
| GO:0030728 | ovulation | The release of a mature ovum/oocyte from an ovary. | 19 |
| GO:0007140 | male meiosis | A cell cycle process comprising the steps by which a cell progresses through the nuclear division phase of a meiotic cell cycle in the male germline. | 19 |
| GO:0007548 | sex differentiation | The establishment of the sex of an organism by physical differentiation. | 19 |
| GO:0048315 | conidium formation | Formation of asexual, nonmotile spores in fungi, by conversion of hyphal elements or arising from specialized sporogenous cells. | 18 |
| GO:0030707 | ovarian follicle cell development | The process that occurs during oogenesis involving the ovarian follicle cells, somatic cells which surround the germ cells of an ovary. An example of this is found in Drosophila melanogaster. | 16 |
| GO:0048047 | mating behavior, sex discrimination | The actions or reactions of individuals for the purpose of discriminating between the sexes, for the purpose of finding a suitable mating partner. | 16 |
| GO:0031152 | aggregation involved in sorocarp development | The process whose specific outcome is the progression of the aggregate over time, from its formation to the point when a slug is formed. Aggregate development begins in response to starvation and continues by the chemoattractant-mediated movement of cells toward each other. The aggregate is a multicellular structure that gives rise to the slug. | 15 |
| GO:0048806 | genitalia development | The process whose specific outcome is the progression of the genitalia over time, from its formation to the mature structure. | 15 |
| GO:0019058 | viral infectious cycle | A set of processes which all viruses follow to ensure survival; includes attachment and entry of the virus particle, decoding of genome information, translation of viral mRNA by host ribosomes, genome replication, and assembly and release of viral particles containing the genome. | 15 |
| GO:0007143 | female meiosis | A cell cycle process comprising the steps by which a cell progresses through the nuclear division phase of a meiotic cell cycle in the female germline. | 14 |
| GO:0030587 | sorocarp development | The process whose specific outcome is the progression of the sorocarp over time, from its formation to the mature structure. The process begins with the aggregation of individual cells and ends with the mature sorocarp. The sorocarp is a structure containing a spore-bearing sorus that sits on top of a stalk. An example of this process is found in Dictyostelium discoideum. | 14 |
| GO:0007632 | visual behavior | The actions or reactions of an organism in response to a visual stimulus. | 13 |
| GO:0007301 | female germline ring canal formation | Assembly of the intercellular bridges that connect the germ-line cells of a female cyst. | 13 |
| GO:0045132 | meiotic chromosome segregation | The process in which genetic material, in the form of chromosomes, is organized into specific structures and then physically separated and apportioned to two or more sets during M phase of the meiotic cell cycle. | 13 |
| GO:0009793 | embryo development ending in seed dormancy | The process whose specific outcome is the progression of the embryo over time, from zygote formation to the end of seed dormancy. An example of this process is found in Arabidopsis thaliana. | 13 |
| GO:0000743 | nuclear migration involved in conjugation with cellular fusion | The net movement of nuclei towards one another as a prelude to karyogamy in organisms undergoing conjugation with cellular fusion. | 12 |
| GO:0007119 | budding cell isotropic bud growth | Unlocalized bud growth such that the entire surface of the bud expands evenly, in a cell that reproduces by budding. | 12 |
| GO:0022412 | cellular process involved in reproduction in multicellular organism | A process, occurring at the cellular level, that is involved in the reproductive function of a multicellular organism. | 12 |
| GO:0043935 | sexual sporulation resulting in formation of a cellular spore | The formation of spores derived from the products of meiosis. A cellular spore is a cell form that can be used for dissemination, for survival of adverse conditions because of its heat and dessication resistance, and/or for reproduction. | 12 |
| GO:0032504 | multicellular organism reproduction | The biological process in which new individuals are produced by one or two multicellular organisms. The new individuals inherit some proportion of their genetic material from the parent or parents. | 12 |
| GO:0008585 | female gonad development | The process whose specific outcome is the progression of the female gonad over time, from its formation to the mature structure. | 12 |
| GO:0001556 | oocyte maturation | A developmental process, independent of morphogenetic (shape) change, that is required for an oocyte to attain its fully functional state. Oocyte maturation commences after reinitiation of meiosis commonly starting with germinal vesicle breakdown, and continues up to the second meiotic arrest prior to fertilization. | 12 |
| GO:0007312 | oocyte nucleus migration involved in oocyte dorsal/ventral axis specification | The directed movement of the oocyte nucleus within the cell as part of the establishment and maintenance of the dorsal/ventral axis of the oocyte. An example of this is found in Drosophila melanogaster. | 12 |
| GO:0007292 | female gamete generation | Generation of the female gamete; specialised haploid cells produced by meiosis and along with a male gamete takes part in sexual reproduction. | 12 |
| GO:0008354 | germ cell migration | The orderly movement of a cell specialized to produce haploid gametes through the embryo from its site of production to the place where the gonads will form. | 11 |
| GO:0000750 | pheromone-dependent signal transduction involved in conjugation with cellular fusion | A signal transduction process resulting in the relay, amplification or dampening of a signal generated in response to pheromone exposure in organisms that undergo conjugation with cellular fusion. An example of this process is found in Saccharomyces cerevisiae. | 11 |
| GO:0035047 | centrosomal and pronuclear rotation | The rotation of centrosomes and associated pronuclei in one-cell embryos such as those of Caenorhabditis elegans, occurring as a transition between pronuclear migration and pronuclear fusion. | 11 |
| GO:0009567 | double fertilization forming a zygote and endosperm | Fertilization where one of the two sperm nuclei from the pollen tube fuses with the egg nucleus to form a 2n zygote, and the other fuses with the two polar nuclei to form the 3n primary endosperm nucleus and then develops into the endosperm. The ploidy level of the 2n zygote and 3n primary endosperm nucleus is determined by the ploidy level of the parents involved. An example of this component is found in Arabidopsis thaliana. | 10 |
| GO:0007566 | embryo implantation | Attachment of the blastocyst to the uterine lining. | 10 |
| GO:0007595 | lactation | The secretion of milk by the mammary gland. | 10 |
| GO:0007293 | germarium-derived egg chamber formation | Construction of a stage-1 egg chamber in the anterior part of the germarium, from the progeny of germ-line and somatic stem cells. An example of this is found in Drosophila melanogaster. | 10 |
| GO:0040040 | thermosensory behavior | Behavior that is dependent upon the sensation of temperature. | 10 |
| GO:0048235 | pollen sperm cell differentiation | The process in which a relatively unspecialized cell acquires specialized features of a haploid sperm cell within the plant gametophyte. | 9 |
| GO:0010228 | vegetative to reproductive phase transition of meristem | The process involved in transforming a meristem that produces vegetative structures, such as leaves, into a meristem that produces reproductive structures, such as a flower or an inflorescence. | 9 |
| GO:0007619 | courtship behavior | The behavioral interactions between organisms for the purpose of attracting sexual partners. | 9 |
| GO:0045143 | homologous chromosome segregation | The cell cycle process in which replicated homologous chromosomes are organized and then physically separated and apportioned to two sets during the first division of the meiotic cell cycle. Each replicated chromosome, composed of two sister chromatids, aligns at the cell equator, paired with its homologous partner; this pairing off, referred to as synapsis, permits genetic recombination. One homolog (both sister chromatids) of each morphologic type goes into each of the resulting chromosome sets. | 9 |
| GO:0030727 | germarium-derived female germ-line cyst formation | Formation, in a germarium, of a group of interconnected cells derived from a single female gonial founder cell (a cystoblast). The germarium is the most anterior portion of an insect ovariole. An example of this process is found in Drosophila melanogaster. | 9 |
| GO:0051295 | establishment of meiotic spindle localization | The cell cycle process in which the directed movement of the meiotic spindle to a specific location in the cell occurs. | 9 |
| GO:0030713 | ovarian follicle cell stalk formation | Development of ovarian follicle cells to create the interfollicular stalks that connect the egg chambers of progressive developmental stages. An example of this process is found in Drosophila melanogaster. | 9 |
| GO:0007318 | pole plasm protein localization | Any process in which a protein is transported to, or maintained in, the oocyte pole plasm. An example of this is found in Drosophila melanogaster. | 8 |
| GO:0042078 | germ-line stem cell division | The self-renewing division of a germline stem cell to produce a daughter stem cell and a daughter germ cell, which will divide to form the gametes. | 8 |
| GO:0060135 | maternal process involved in female pregnancy | A reproductive process occurring in the mother that allows an embryo or fetus to develop within it. | 8 |
| GO:0001541 | ovarian follicle development | The process whose specific outcome is the progression of the ovarian follicle over time, from its formation to the mature structure. | 8 |
| GO:0030850 | prostate gland development | The process whose specific outcome is the progression of the prostate gland over time, from its formation to the mature structure. The prostate gland is a partly muscular, partly glandular body that is situated near the base of the mammalian male urethra and secretes an alkaline viscid fluid which is a major constituent of the ejaculatory fluid. | 8 |
| GO:0030476 | ascospore wall assembly | The aggregation, arrangement and bonding together of a set of components to form an ascospore wall. During sporulation in Ascomycota, each ascospore nucleus becomes surrounded by a specialized spore wall, formed by deposition of spore wall components in the lumenal space between the outer and inner leaflets of the prospore membrane. An example of this process is found in Saccharomyces cerevisiae. | 8 |
| GO:0048599 | oocyte development | The process whose specific outcome is the progression of an oocyte over time, from initial commitment of the cell to its specific fate, to the fully functional differentiated cell. | 8 |
| GO:0007340 | acrosome reaction | The discharge, by sperm, of a single, anterior secretory granule following the sperm's attachment to the zona pellucida surrounding the oocyte. The process begins with the fusion of the outer acrosomal membrane with the sperm plasma membrane and ends with the exocytosis of the acrosomal contents into the egg. | 8 |
| GO:0030238 | male sex determination | The specification of male sex of an individual organism. | 8 |
| GO:0001893 | maternal placenta development | Maternally driven process whose specific outcome is the progression of the placenta over time, from its formation to the mature structure. The placenta is an organ of metabolic interchange between fetus and mother, partly of embryonic origin and partly of maternal origin. | 8 |
| GO:0007132 | meiotic metaphase I | Metaphase occurring as part of meiosis I. Metaphase is the part of nuclear division in which, canonically, chromosomes become aligned on the equatorial plate of the cell. Meiosis I is the first phase of meiosis, in which cells divide and homologous chromosomes are paired and segregated from each other. | 8 |
| GO:0007112 | male meiosis cytokinesis | A cell cycle process that occurs as part of the male meiotic cell cycle and results in the division of the cytoplasm of a cell to produce two daughter cells. | 8 |
| GO:0034606 | response to hermaphrodite contact | The response by the male to a hermaphrodite after initial contact following mate finding. The male stops forward locomotion, presses the ventral side of his tail against his partner's body, and begins moving backward along the hermaphrodite. Male response behavior is initiated when sensory neurons located in the rays of his tail contact a potential mate. | 7 |
| GO:0048137 | spermatocyte division | The meiotic divisions undergone by the primary and secondary spermatocytes to produce haploid spermatids. | 7 |
| GO:0030720 | oocyte localization involved in germarium-derived egg chamber formation | Directed movement of the oocyte, following its specification, from its original central position in the cyst to a posterior position relative to the nurse cells of the egg chamber, and its maintenance in this posterior location. This is the first sign of anterior-posterior asymmetry in the developing egg chamber. | 7 |
| GO:0007294 | germarium-derived oocyte fate determination | The cell fate determination process in which a germarium-derived cell becomes capable of differentiating autonomously into an oocyte cell regardless of its environment; upon determination, the cell fate cannot be reversed. An example of this is found in Drosophila melanogaster. | 7 |
| GO:0030723 | ovarian fusome organization | A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the fusome of ovarian cells, an organelle derived from the spectrosome. It anchors the mitotic spindle pole to provide orientation during cystoblast cell divisions. | 7 |
| GO:0007309 | oocyte axis specification | The establishment, maintenance and elaboration of an axis in the oocyte. An example of this is found in Drosophila melanogaster. | 7 |
| GO:0030717 | karyosome formation | The chromosome organization process in which meiotic chromosomes in the oocyte nucleus cluster together to form a compact spherical structure called the karyosome. | 7 |
| GO:0007114 | cell budding | A form of asexual reproduction, occurring in certain bacteria and fungi (e.g. yeasts) and some primitive animals in which an individual arises from a daughter cell formed by pinching off a part of the parent cell. The budlike outgrowths so formed may sometimes remain attached to the parent cell. | 7 |
| GO:0030381 | chorion-containing eggshell pattern formation | The regionalization process that gives rise to the structural pattern of a chorion-containing eggshell such as those found in insects. | 7 |
| GO:0007280 | pole cell migration | The directed movement of a pole cell (germline progenitors in insects) from its site of production at the posterior pole of the embryo through to the site where the gonads will form. | 7 |
| GO:0009566 | fertilization | The union of gametes of opposite sexes during the process of sexual reproduction to form a zygote. It involves the fusion of the gametic nuclei (karyogamy) and cytoplasm (plasmogamy). | 7 |
| GO:0048232 | male gamete generation | Generation of the male gamete; specialised haploid cells produced by meiosis and along with a female gamete takes part in sexual reproduction. | 7 |
| GO:0060065 | uterus development | The reproductive developmental process whose specific outcome is the progression of the uterus over time, from its formation to the mature structure. | 7 |
| GO:0007565 | female pregnancy | The set of physiological processes that allow an embryo or foetus to develop within the body of a female animal. It covers the time from fertilization of a female ovum by a male spermatozoon until birth. | 7 |
| GO:0030538 | embryonic genitalia morphogenesis | The process, occurring in the embryo, by which the anatomical structures of the genitalia are generated and organized. | 6 |
| GO:0046732 | active induction of host immune response by virus | The intentional, virally-encoded stimulation of a host defense response to viral infection. | 6 |
| GO:0048132 | female germ-line stem cell division | The self-renewing division of a germline stem cell in the female gonad, to produce a daughter stem cell and a daughter germ cell, which will divide to form the female gametes. | 6 |
| GO:0040022 | feminization of hermaphroditic germ-line | The determination of female sex and sexual phenotype in the germ-line of the hermaphrodite. | 6 |
| GO:0007290 | spermatid nucleus elongation | The change in shape of the spermatid nucleus from a spherical structure to an elongated organelle, during the latter part of spermatid differentiation. | 6 |
| GO:0031321 | ascospore-type prospore assembly | During ascospore formation, the process in which each haploid nucleus becomes encapsulated by a double membrane. | 6 |
| GO:0007131 | reciprocal meiotic recombination | The cell cycle process in which double strand breaks are formed and repaired through a double Holliday junction intermediate. This results in the equal exchange of genetic material between non-sister chromatids in a pair of homologous chromosomes. These reciprocal recombinant products ensure the proper segregation of homologous chromosomes during meiosis I and create genetic diversity. | 6 |
| GO:0048134 | germ-line cyst formation | Formation of a group of interconnected cells derived from a single gonial founder cell. | 6 |
| GO:0048240 | sperm capacitation | A process required for sperm to reach fertilization competence. Sperm undergo an incompletely understood series of morphological and molecular maturational processes, termed capacitation, involving, among other processes, protein tyrosine phosphorylation and increased intracellular calcium. | 6 |
| GO:0060009 | Sertoli cell development | The process whose specific outcome is the progression of a Sertoli cell over time, from its formation to the mature structure. Cell development does not include the steps involved in committing a cell to a Sertoli cell fate. | 6 |
| GO:0044703 | multi-organism reproductive process | A biological process that directly contributes to the process of producing new individuals, involving another organism. | 6 |
| GO:0007303 | cytoplasmic transport, nurse cell to oocyte | The directed movement of cytoplasmic constituents synthesized in the nurse cells to the oocyte. | 6 |
| GO:0007279 | pole cell formation | Formation of a small group of cells (pole cells) at the posterior pole of the insect blastula. They are the first cells to cellularize after the arrival of nuclei at the end of the syncytial blastula stage and are the precursors to the insect germ cells. | 6 |
| GO:0046692 | sperm competition | Any process that contributes to the success of sperm fertilization in multiply-mated females. | 6 |
| GO:0042699 | follicle-stimulating hormone signaling pathway | The series of molecular signals mediated by follicle-stimulating hormone. | 6 |
| GO:0007307 | eggshell chorion gene amplification | Amplification by up to 60-fold of the loci containing the chorion gene clusters. Amplification is necessary for the rapid synthesis of chorion proteins by the follicle cells, and occurs by repeated firing of one or more origins located within each gene cluster. | 5 |
| GO:0000909 | sporocarp development involved in sexual reproduction | The process whose specific outcome is the progression of a fruiting body organ over time, from its formation to the mature structure. The fruiting body is a spore bearing structure. In fungi, the sporocarp (also known as fruiting body) is a multicellular structure on which spore-producing structures, such as basidia or asci, are borne. The fruiting body is part of the sexual phase of a fungal life cycle, with the rest of the life cycle being characterized by vegetative mycelial growth. The sporocarp of a basidiomycete is known as a basidiocarp, while the fruiting body of an ascomycete is known as an ascocarp. A significant range of different shapes and morphologies is found in both basidiocarps and ascocarps; these features play an important role in the identification and taxonomy of fungi. | 5 |
| GO:0019954 | asexual reproduction | The biological process in which new individuals are produced by either a single cell or a group of cells, in the absence of any sexual process. | 5 |
| GO:0033327 | Leydig cell differentiation | The process in which a relatively unspecialized cell acquires specialized structural and/or functional features of a Leydig cell. A Leydig cell is a testosterone-secreting cell in the interstitial area, between the seminiferous tubules, in the testis. | 5 |
| GO:0007308 | oocyte construction | The synthesis, deposition, and organization of the materials in a cell of an ovary; where the cell can then undergo meiosis and form an ovum. An example of this is found in Drosophila melanogaster. | 5 |
| GO:0035044 | sperm aster formation | Formation and organization of an aster composed of microtubule arrays originating from the sperm basal body and extending virtually to the egg periphery. The sperm aster ensures the appropriate positioning of the male and female pronuclei. | 5 |
| GO:0008302 | female germline ring canal formation, actin assembly | Recruitment and organization of actin filaments in female germline ring canals. | 5 |
| GO:0007314 | oocyte anterior/posterior axis specification | Polarization of the oocyte along its anterior-posterior axis. An example of this is found in Drosophila melanogaster. | 5 |
| GO:0009846 | pollen germination | The physiological and developmental changes that occur in a heterosporous plant pollen grain, beginning with hydration and terminating with the emergence of the pollen tube through the aperture. | 5 |
| GO:0061205 | paramesonephric duct development | The process whose specific outcome is the progression of the paramesonephric duct over time, from its formation to the mature structure. Mullerian ducts (or paramesonephric ducts) are paired ducts of the embryo that run down the lateral sides of the urogenital ridge and terminate at the mullerian eminence in the primitive urogenital sinus. In the female, they will develop to form the fallopian tubes, uterus, cervix, and the upper portion of the vagina; in the male, they are lost. These ducts are made of tissue of mesodermal origin. | 5 |
| GO:0030539 | male genitalia development | The process whose specific outcome is the progression of the male genitalia over time, from its formation to the mature structure. | 5 |
| GO:0007310 | oocyte dorsal/ventral axis specification | The establishment, maintenance and elaboration of the dorsal/ventral axis of the oocyte. An example of this is found in Drosophila melanogaster. | 5 |
| GO:0007129 | synapsis | The cell cycle process in which the side by side pairing and physical juxtaposition of homologous chromosomes is created at the metaphase plate. | 5 |
| GO:0019076 | viral release from host cell | The dissemination of mature viral particles from the host cell, e.g. by cell lysis or the budding of virus particles from the cell membrane. | 5 |
| GO:0019061 | uncoating of virus | A general term applied to the events that occur after penetration; refers to the 'uncoating' of the viral genome from the nucleocapsid core. | 5 |
| GO:0008315 | meiotic G2/MI transition | The cell cycle process in which a cell progresses from meiotic prophase to metaphase I. | 5 |
| GO:0019067 | viral assembly, maturation, egress, and release | Any process involved in the assembly, maturation, egress, and release of progeny virions. | 5 |
| GO:0007506 | gonadal mesoderm development | The process whose specific outcome is the progression of the gonadal mesoderm over time, from its formation to the mature structure. The gonadal mesoderm is the middle layer of the three primary germ layers of the embryo which will go on to form the gonads of the organism. | 5 |
| GO:0007118 | budding cell apical bud growth | Growth at the tip of a bud, in a cell that reproduces by budding. | 5 |
| GO:0036093 | germ cell proliferation | The multiplication or reproduction of germ cells, reproductive cells in multicellular organisms, resulting in the expansion of a cell population. | 5 |
| GO:0010162 | seed dormancy process | A dormancy process in which dormancy (sometimes called a dormant state) is induced, maintained or broken in a seed. Seed dormancy is a suspension of most physiological activity and growth in a seed, including the embryo contained therein, that can be reactivated. It often requires special conditions for reactivation, such as specific temperature, scarification, or leaching of inhibitors. | 5 |
| GO:0007282 | cystoblast division | Any of the rounds of incomplete mitosis undergone by a cystoblast to form a cyst of interconnected cells. | 5 |
| GO:0032505 | reproduction of a single-celled organism | The biological process in which new individuals are produced by one or two single-celled organisms. The new individuals inherit some proportion of their genetic material from the parent or parents. | 5 |
| GO:0000905 | sporocarp development involved in asexual reproduction | The formation of a spore-bearing structure by fungus where spores will arise from asexual reproduction. | 5 |
| GO:0060744 | mammary gland branching involved in thelarche | The process in which the branching structure of the mammary gland duct is generated and organized during the period of sexual maturity in mammals. The mammary gland is a large compound sebaceous gland that in female mammals is modified to secrete milk. | 5 |
| GO:0035038 | female pronucleus assembly | Assembly of the haploid nucleus of the unfertilized egg. | 5 |
| GO:0051663 | oocyte nucleus localization involved in oocyte dorsal/ventral axis specification | The directed movement of the nucleus to a specific location within a cell during the establishment and maintenance of the dorsal/ventral axis of the oocyte. | 4 |
| GO:0060179 | male mating behavior | The specific actions or reactions of a male organism that are associated with reproduction. | 4 |
| GO:0000747 | conjugation with cellular fusion | A conjugation process that results in the union of cellular and genetic information from compatible mating types. An example of this process is found in Saccharomyces cerevisiae. | 4 |
| GO:0030708 | germarium-derived female germ-line cyst encapsulation | Formation of a single follicular epithelium around the germ-line derived cells of a cyst formed in the germarium. An example of this process is found in Drosophila melanogaster. | 4 |
| GO:0001880 | Mullerian duct regression | The process in which the Mullerian ducts, primordia of the oviducts, uterus and upper vagina, undergo regression in male embryos. | 4 |
| GO:0048868 | pollen tube development | The process whose specific outcome is the progression of a pollen tube over time, from its initial formation to a mature structure. | 4 |
| GO:0060466 | activation of meiosis involved in egg activation | Any process that starts the inactive process of meiosis in an egg after the egg has been fertilized or physiologically activated. Eggs generally arrest in meiosis and complete the process after activation. | 4 |
| GO:0007300 | ovarian nurse cell to oocyte transport | Transfer of constituents synthesized in the ovarian nurse cells to the oocyte, through the ring canals, as the egg chamber is growing. An example of this is found in Drosophila melanogaster. | 4 |
| GO:0070791 | cleistothecium development | The process whose specific outcome is the progression of the cleistothecium over time, from its formation to the mature structure. The cleistothecium is a closed sexual fruiting body that contains ascospores in linear asci, characteristic of some filamentous Ascomycete fungi such as members of the genera Aspergillus and Emericella. | 4 |
| GO:0007295 | growth of a germarium-derived egg chamber | Growth of the egg chamber between the time it leaves the germarium and the onset of vitellogenesis. During this time both nurse cells and the oocyte undergo developmental changes including nuclear organization and cytoplasmic growth. An example of this is found in Drosophila melanogaster. | 4 |
| GO:0051455 | attachment of spindle microtubules to kinetochore involved in homologous chromosome segregation | The process in which spindle microtubules become physically associated with the proteins making up the kinetochore complex during meiosis I. During meiosis I sister kinetochores are lying next to each other facing the same spindle pole and monopolar attachment of the chromatid to the spindle occurs. | 4 |
| GO:0060471 | cortical granule exocytosis | The process of secretion by a cell that results in the release of intracellular molecules contained within a cortical granule by fusion of the vesicle with the plasma membrane of a cell. A cortical granule is a specialized secretory vesicle that is released during egg activation that changes the surface of the egg to prevent polyspermy. | 4 |
| GO:0007121 | bipolar cellular bud site selection | The process of defining subsequent sites of bud emergence such that budding takes place at alternating poles of a budding cell. | 4 |
| GO:0007284 | spermatogonial cell division | The mitotic divisions of the primary spermatogonial cell (a primordial male germ cell) to form secondary spermatogonia (primary spermatocytes). | 4 |
| GO:0019049 | evasion or tolerance of host defenses by virus | Any process, either active or passive, by which a virus avoids or tolerates the effects of its host organism's defense(s). Host defenses may be induced by the presence of the virus or may be preformed (e.g. physical barriers). The host is defined as the larger of the organisms involved in a symbiotic interaction. | 4 |
| GO:0007130 | synaptonemal complex assembly | The cell cycle process in which the synaptonemal complex is formed. This is a structure that holds paired chromosomes together during prophase I of meiosis and that promotes genetic recombination. | 4 |
| GO:0046844 | micropyle formation | Establishment of the micropyle, a single cone-shaped specialization of the chorion that allows sperm entry into the egg prior to fertilization. | 4 |
| GO:0051229 | meiotic spindle disassembly | The controlled breakdown of the spindle during a meiotic cell cycle. | 4 |
| GO:0031322 | ascospore-type prospore-specific spindle pole body remodeling | A spindle pole body (SPB) organization process that takes place during the second meiotic division during ascospore formation and results in the structural reorganization of the SPB; includes the recruitment of sporulation-specific proteins to the outer plaque to form the meiotic outer plaque (MOP). | 4 |
| GO:0007110 | meiosis I cytokinesis | A cell cycle process that results in the division of the cytoplasm of a cell after meiosis I, resulting in the separation of the original cell into two daughter cells. | 4 |
| GO:0016321 | female meiosis chromosome segregation | The cell cycle process in which genetic material, in the form of chromosomes, is organized and then physically separated and apportioned to two or more sets during the meiotic cell cycle in a female. | 4 |
| GO:0033057 | multicellular organismal reproductive behavior | The specific actions or reactions of an organism that are associated with reproduction in a multicellular organism. | 4 |
| GO:0007634 | optokinetic behavior | The actions or reactions of an organism pertaining to movement of the eyes and of objects in the visual field, as in nystagmus. | 4 |
| GO:0018985 | pronuclear envelope synthesis | Synthesis and ordering of the envelope of pronuclei. | 4 |
| GO:0060008 | Sertoli cell differentiation | The process in which a relatively unspecialized cell acquires specialized structural and/or functional features of a Sertoli cell. A Sertoli cell is a supporting cell projecting inward from the basement membrane of seminiferous tubules. | 4 |
| GO:0000706 | meiotic DNA double-strand break processing | The cell cycle process in which the 5' to 3' exonucleolytic resection of the DNA at the site of the break to form a 3' single-strand DNA overhang occurs. This takes place during meiosis. | 4 |
| GO:0009908 | flower development | The process whose specific outcome is the progression of the flower over time, from its formation to the mature structure. The flower is the reproductive structure in a plant, and its development begins with the transition of the vegetative or inflorescence meristem into a floral meristem. | 4 |
| GO:0046784 | intronless viral mRNA export from host nucleus | The directed movement of intronless viral mRNA from the host nucleus to the cytoplasm for translation. | 4 |
| GO:0060206 | estrous cycle phase | The progression of physiological phases, occurring in the endometrium during the estrous cycle that recur at regular intervals during the reproductive years. The estrous cycle is an ovulation cycle where the endometrium is resorbed if pregnancy does not occur. | 3 |
| GO:0060516 | primary prostatic bud elongation | The increase in size of the prostatic bud as it forms. | 3 |
| GO:0046718 | viral entry into host cell | The process that occurs after viral attachment by which a virion, or viral nucleic acid, breaches the plasma membrane or cell envelope and enters the host cell. The process ends when the viral nucleic acid is released into the host cell cytoplasm. | 3 |
| GO:0007304 | chorion-containing eggshell formation | The construction of a chorion-containing eggshell. An example of this is found in Drosophila melanogaster. | 3 |
| GO:0070684 | seminal clot liquefaction | The reproductive process in which coagulated semen becomes liquid following ejaculation, allowing the progressive release of motile spermatozoa. | 3 |
| GO:0007617 | mating behavior | The behavioral interactions between organisms for the purpose of mating, or sexual reproduction resulting in the formation of zygotes. | 3 |
| GO:0019098 | reproductive behavior | The specific actions or reactions of an organism that are associated with reproduction. | 3 |
| GO:0007299 | ovarian follicle cell-cell adhesion | The attachment of a somatic follicle cell to another somatic follicle cell or to its substratum, the germline cells. An example of this is found in Drosophila melanogaster. | 3 |
| GO:0007321 | sperm displacement | The physical displacement of sperm stored from previous mating encounters. | 3 |
| GO:0033206 | meiotic cytokinesis | A cell cycle process that results in the division of the cytoplasm of a cell after meiosis, resulting in the separation of the original cell into two daughter cells. | 3 |
| GO:0007485 | imaginal disc-derived male genitalia development | The process whose specific outcome is the progression of the male genitalia over time, from formation as part of the genital disc to the mature structure. An example of this is found in Drosophila melanogaster. | 3 |
| GO:0048142 | germarium-derived cystoblast division | The four rounds of incomplete mitosis undergone by a cystoblast to form a 16-cell cyst of interconnected cells within a germarium. Within the cyst, one cell differentiates into an oocyte while the rest become nurse cells. An example of this process is found in Drosophila melanogaster. | 3 |
| GO:0000712 | resolution of meiotic recombination intermediates | The cleavage and rejoining of intermediates, such as Holliday junctions, formed during meiotic recombination to produce two intact molecules in which genetic material has been exchanged. | 3 |
| GO:0060523 | prostate epithelial cord elongation | The developmental growth process in which solid chords of prostate epithelium increase in length. | 3 |
| GO:0030540 | female genitalia development | The process whose specific outcome is the progression of the female genitalia over time, from formation to the mature structure. | 3 |
| GO:0007117 | budding cell bud growth | The process in which the bud portion of a cell that reproduces by budding irreversibly increases in size over time by accretion and biosynthetic production of matter similar to that already present. | 3 |
| GO:0046788 | egress of virus within host cell | The process of moving the (often) incomplete virion to the cell surface in order to be released from the cell. Egress can involve travel through the endoplasmic reticulum or cytoplasm and will often include final maturation stages of the virion, but it occurs entirely within the cell. | 3 |
| GO:0007338 | single fertilization | The union of male and female gametes to form a zygote. | 3 |
| GO:0032120 | ascospore-type prospore membrane assembly | The process in which the nascent membrane forms at the meiotic outer plaque and grows until closure occurs and forespores, or prospores, are formed. | 3 |
| GO:0007057 | spindle assembly involved in female meiosis I | The aggregation, arrangement and bonding together of a set of components to form the spindle during meiosis I of a meiotic cell cycle in females. An example of this is found in Drosophila melanogaster. | 3 |
| GO:0030989 | dynein-driven meiotic oscillatory nuclear movement | The cell cycle process in which oscillatory movement of the nucleus during meiotic prophase I occurs. This oscillatory movement is led by an astral microtubule array emanating from the spindle pole body, and driven by the microtubule motor cytoplasmic dynein. It is known to play a central role in meiotic recombination and homologous chromosome pairing; as observed in S. pombe. | 3 |
| GO:0009960 | endosperm development | The process whose specific outcome is the progression of the endosperm over time, from its formation to the mature structure. The endosperm is formed during fertilization and provides nutrients to the developing embryo. | 3 |
| GO:0045434 | negative regulation of female receptivity, post-mating | Any process that stops, prevents or reduces the receptiveness of a female to male advances subsequent to mating. | 3 |
| GO:0035262 | gonad morphogenesis | The process in which the anatomical structures of the gonads are generated and organized. A gonad is an animal organ producing gametes, e.g. the testes or the ovary in mammals. | 3 |
| GO:0048316 | seed development | The process whose specific outcome is the progression of the seed over time, from its formation to the mature structure. A seed is a propagating organ formed in the sexual reproductive cycle of gymnosperms and angiosperms, consisting of a protective coat enclosing an embryo and food reserves. | 3 |
| GO:0043936 | asexual sporulation resulting in formation of a cellular spore | The formation of a cellular spore derived from the products of mitosis. A cellular spore is a cell form that can be used for dissemination, for survival of adverse conditions because of its heat and dessication resistance, and/or for reproduction. | 3 |
| GO:0046778 | modification by virus of host mRNA processing | Any viral process that interferes with the processing of mRNA in the host cell. | 3 |
| GO:0007288 | sperm axoneme assembly | The assembly and organization of the sperm flagellar axoneme, the bundle of microtubules and associated proteins that forms the core of the eukaryotic sperm flagellum, and is responsible for movement. | 3 |
| GO:0072462 | signal transduction involved in meiotic recombination checkpoint | A signal transduction process that contributes to a meiotic recombination checkpoint. | 3 |
| GO:0019087 | transformation of host cell by virus | Any virus-induced change in the morphological, biochemical, or growth parameters of a cell. | 3 |
| GO:0042138 | meiotic DNA double-strand break formation | The cell cycle process in which double-strand breaks are generated at defined hotspots throughout the genome during meiosis I. This results in the initiation of meiotic recombination. | 3 |
| GO:0001555 | oocyte growth | The developmental growth process in which an oocyte irreversibly increases in size over time by accretion and biosynthetic production of matter similar to that already present. | 3 |
| GO:0007297 | ovarian follicle cell migration | The directed movement of an ovarian follicle cell that takes place during oogenesis. During egg chamber formation, follicle cells migrate to envelop the germ-line cysts and move in between cysts. At stage 10B, follicle cells migrate centripetally between the nurse cells and the oocyte, enclosing the anterior of the egg. An example of this is found in Drosophila melanogaster. | 3 |
| GO:0019060 | intracellular transport of viral proteins in host cell | The directed movement of viral proteins within the host cell. | 3 |
| GO:0030703 | eggshell formation | Construction of the eggshell, a product of the somatic follicle cell epithelium and a structure that supports the egg in a hostile environment, minimizing water loss whilst allowing gas exchanges essential for embryonic respiration. | 3 |
| GO:0007344 | pronuclear fusion | The merging of two pronuclei in a fertilized egg to fuse and produce a single zygotic genome. | 3 |
| GO:0016325 | oocyte microtubule cytoskeleton organization | Formation and maintenance of a polarized microtubule array originating from a microtubule-organizing center (MTOC) in the oocyte. An example of this is found in Drosophila melanogaster. | 3 |
| GO:0042713 | sperm ejaculation | The expulsion of seminal fluid, thick white fluid containing spermatozoa, from the male genital tract. | 3 |
| GO:0019089 | transmission of virus | The transfer of virions in order to create new infection. | 3 |
| GO:0048601 | oocyte morphogenesis | The process in which the structures of an oocyte are generated and organized. This process occurs while the initially relatively unspecialized cell is acquiring the specialized features of an oocyte. | 3 |
| GO:0051026 | chiasma assembly | The cell cycle process in which a connection between chromatids assembles, indicating where an exchange of homologous segments has taken place by the crossing-over of non-sister chromatids. | 3 |
| GO:0001675 | acrosome assembly | The formation of the acrosome from the spermatid Golgi. | 3 |
| GO:0071625 | vocalization behavior | The behavior in which an organism produces sounds by a mechanism involving its respiratory system. | 2 |
| GO:0048515 | spermatid differentiation | The process whose specific outcome is the progression of a spermatid over time, from initial commitment of the cell to a specific fate, to the fully functional differentiated cell. | 2 |
| GO:0051316 | attachment of spindle microtubules to kinetochore involved in meiotic chromosome segregation | The cell cycle process in which spindle microtubules become physically associated with the proteins making up the kinetochore complex contributing to meiotic chromosome segregation. | 2 |
| GO:0046594 | maintenance of pole plasm mRNA location | The process of maintaining mRNA in a specific location in the oocyte pole plasm. An example of this process is found in Drosophila melanogaster. | 2 |
| GO:0000751 | cell cycle arrest in response to pheromone | The cell cycle regulatory process in which the cell cycle is halted during one of the normal phases (G1, S, G2, M) as a result of a pheromone stimulus. An example of this process is found in Saccharomyces cerevisiae. | 2 |
| GO:0051038 | negative regulation of transcription during meiosis | Any process that stops, prevents, or reduces the frequency, rate or extent of transcription during meiosis. | 2 |
| GO:0008069 | dorsal/ventral axis specification, ovarian follicular epithelium | Polarization of the ovarian follicle cells along the dorsal/ventral axis. An example of this process is found in Drosophila melanogaster. | 2 |
| GO:0007567 | parturition | The reproductive process in which the parent is separated from its offspring either by giving birth to live young or by laying eggs. | 2 |
| GO:0048808 | male genitalia morphogenesis | The process in which the anatomical structures of male genitalia are generated and organized. | 2 |
| GO:0030582 | fruiting body development | The process whose specific outcome is the progression of the fruiting body over time, from its formation to the mature structure. A fruiting body is a multicellular structure that contains spores. | 2 |
| GO:0008335 | female germline ring canal stabilization | Maintenance of the structural integrity of the ring canals connecting the female germline cyst. | 2 |
| GO:0033316 | meiotic spindle assembly checkpoint | A cell cycle checkpoint that delays the metaphase/anaphase transition of a meiotic cell cycle until the spindle is correctly assembled and chromosomes are attached to the spindle. | 2 |
| GO:0010229 | inflorescence development | The process whose specific outcome is the progression of an inflorescence over time, from its formation to the mature structure. | 2 |
| GO:0007342 | fusion of sperm to egg plasma membrane | The binding and fusion of a sperm, having penetrated the zona pellucida, with the plasma membrane of the oocyte. Binding occurs at the posterior (post-acrosomal) region of the sperm head. | 2 |
| GO:0007138 | meiotic anaphase II | An anaphase during which chromosomes separate and migrate towards the poles of the spindle the as part of meiosis II. | 2 |
| GO:0034609 | spicule insertion | Insertion of the male copulatory spicules into the hermaphrodite. Spicule insertion behavior initiates when the male cloaca contacts the vulva. During most mating encounters, the spicule tips will prod the vulva continuously until they partially penetrate, which then causes the protractors to contract completely so that the spicules extend through the vulva. | 2 |
| GO:0010093 | specification of floral organ identity | The process in which the identity of a floral organ primordium is specified. Identity is considered to be the aggregate of characteristics by which a structure is recognized. | 2 |
| GO:0009560 | embryo sac egg cell differentiation | The process in which an uncellularized embryo sac nucleus cellularizes and acquires the specialized features of an egg cell. An example of this process is found in Arabidopsis thaliana. | 2 |
| GO:0060738 | epithelial-mesenchymal signaling involved in prostate gland development | Any process that results in the transfer of information from an epithelial cell to a mesenchymal cell where it is interpreted and contributes to the progression of the prostate gland over time. | 2 |
| GO:0070787 | conidiophore development | The process whose specific outcome is the progression of the conidiophore over time, from its formation to the mature structure. The conidiophore is a specialized hypha that extends aerially from the growth substrate and bears conidia, or asexual spores. | 2 |
| GO:0045137 | development of primary sexual characteristics | The process whose specific outcome is the progression of the primary sexual characteristics over time, from their formation to the mature structures. The primary sexual characteristics are the testes in males and the ovaries in females and they develop in response to sex hormone secretion. | 2 |
| GO:0046697 | decidualization | The cellular and vascular changes occurring in the endometrium of the pregnant uterus just after the onset of blastocyst implantation. This process involves the proliferation and differentiation of the fibroblast-like endometrial stromal cells into large, polyploid decidual cells that eventually form the maternal component of the placenta. | 2 |
| GO:0042697 | menopause | Cessation of menstruation, occurring in (e.g.) the human female usually around the age of 50. | 2 |
| GO:0045924 | regulation of female receptivity | Any process that modulates the frequency, rate or extent of the willingness or readiness of a female to receive male advances. | 2 |
| GO:0071432 | peptide mating pheromone maturation involved in conjugation with cellular fusion | The formation of a mature peptide mating pheromone by proteolysis and/or modification of a peptide precursor, occurring in the context of conjugation with cellular fusion. | 2 |
| GO:0009994 | oocyte differentiation | The process in which a relatively unspecialized immature germ cell acquires the specialized features of a mature female gamete. | 2 |
| GO:0043147 | meiotic spindle stabilization | The cell cycle process in which spindle integrity is maintained during M phase of meiosis. | 2 |
| GO:0060378 | regulation of brood size | Any process that modulates the extent of brood size. Brood size is the number of progeny that survive embryogenesis and are cared for at one time. | 2 |
| GO:0022602 | ovulation cycle process | A process involved in the sexual cycle seen in females, often with physiologic changes in the endometrium that recur at regular intervals during the reproductive years. | 2 |
| GO:0060468 | prevention of polyspermy | The negative regulation of fertilization process that takes place as part of egg activation, ensuring that only a single sperm fertilizes the egg. | 2 |
| GO:0030704 | vitelline membrane formation | Construction of the vitelline membrane portion of the egg shell, a rigid structure required to maintain the shape of the egg. | 2 |
| GO:0031154 | culmination involved in sorocarp development | The process whose specific outcome is the progression of the culminant over time, from its formation to the mature structure. Culmination begins with a morphogenetic change of the finger-like or migratory slug giving rise to an organized structure containing a stalk and a sorus. This process is the final stage of sorocarp development. | 2 |
| GO:0007486 | imaginal disc-derived female genitalia development | The process whose specific outcome is the progression of the female genitalia over time, from formation as part of the genital disc to the mature structure. An example of this is found in Drosophila melanogaster. | 2 |
| GO:0018993 | somatic sex determination | The determination of sex and sexual phenotypes in an organism's soma. | 2 |
| GO:0048825 | cotyledon development | The process whose specific outcome is the progression of the cotyledon over time, from its formation to the mature structure. The cotyledon is the modified leaf (seed leaf), found as part of the embryo in plant seeds. It is involved in either storage or absorption of food reserves. Dicotyledonous seeds contain two cotyledons, while monocotyledonous seeds contain only one. The cotyledons may appear above ground and show photosynthetic activity in the seedling. | 2 |
| GO:0007296 | vitellogenesis | The production of yolk. Yolk is a mixture of materials used for embryonic nutrition. | 2 |
| GO:0075713 | establishment of integrated proviral latency | A process by which the virus integrates into the host genome and establishes as a stable provirus or prophage. | 2 |
| GO:0048573 | photoperiodism, flowering | A change from the vegetative to the reproductive phase as a result of detection of, or exposure to, a period of light or dark of a given length. The length of the period of light or dark required to initiate the change is set relative to a particular duration known as the 'critical day length'. The critical day length varies between species. | 2 |
| GO:0043046 | DNA methylation involved in gamete generation | The covalent transfer of a methyl group to C-5 of cytosine that contributes to the establishment of DNA methylation patterns in the gamete. | 2 |
| GO:0007289 | spermatid nucleus differentiation | The specialization of the spermatid nucleus during the development of a spermatid into a mature male gamete competent for fertilization. | 2 |
| GO:0048658 | anther wall tapetum development | The process whose specific outcome is the progression of the anther wall tapetum over time, from its formation to the mature structure. | 2 |
| GO:0048803 | imaginal disc-derived male genitalia morphogenesis | The process in which the anatomical structures of male genitalia are generated and organized from the genital imaginal disc. | 2 |
| GO:0007306 | eggshell chorion assembly | Construction of the chorion portion of the eggshell, which comprises the channels for gas exchange in an insect eggshell. | 2 |
| GO:0060011 | Sertoli cell proliferation | The multiplication or reproduction of Sertoli cells, resulting in the expansion of the Sertoli cell population. A Sertoli cell is a supporting cell projecting inward from the basement membrane of seminiferous tubules. | 2 |
| GO:0007541 | sex determination, primary response to X:A ratio | The developmental process in which an organism interprets its X to autosomal chromosomal complement. | 2 |
| GO:0007620 | copulation | The act of sexual union between male and female, involving the transfer of sperm. | 2 |
| GO:0007111 | meiosis II cytokinesis | A cell cycle process that results in the division of the cytoplasm of a cell after meiosis II, resulting in the separation of the original cell into two daughter cells. | 2 |
| GO:0030709 | border follicle cell delamination | The delamination process that results in the splitting off of border cells from the anterior epithelium, prior to border cell migration. | 2 |
| GO:0019101 | female somatic sex determination | The determination of sex and sexual phenotypes in a female organism's soma. | 2 |
| GO:0051078 | meiotic nuclear envelope disassembly | The cell cycle process in which the controlled breakdown of the nuclear envelope during meiotic cell division occurs. | 2 |
| GO:0019068 | virion assembly | A late phase of viral replication during which all the components necessary for the formation of a mature virion collect at a particular site in the cell and the basic structure of the virus particle is formed. | 2 |
| GO:0051759 | sister chromosome movement towards spindle pole involved in meiotic sister chromatid segregation | The directed movement of sister chromosomes from the center of the spindle towards the spindle poles, mediated by the shortening of microtubules attached to the chromosomes, during meiosis II. | 2 |
| GO:0006311 | meiotic gene conversion | The cell cycle process in which genetic information is transferred from one helix to another. It often occurs in association with general genetic recombination events, and is believed to be a straightforward consequence of the mechanisms of general recombination and DNA repair. For example, meiosis might yield three copies of the maternal version of an allele and only one copy of the paternal allele, indicating that one of the two copies of the paternal allele has been changed to a copy of the maternal allele. | 2 |
| GO:0030719 | P granule organization | A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of polar granules, cytoplasmic, non-membranous RNA/protein complex aggregates in the primordial germ cells of many higher eukaryotes. | 2 |
| GO:0007530 | sex determination | Any process that establishes and transmits the specification of sexual status of an individual organism. | 2 |
| GO:0034608 | vulval location | Location, by the male, of his partner's vulva when backing along the ventral side of the hermaphrodite during mating. The male stops at the vulva, coordinates his movements to the hermaphrodite's, and positions his tail precisely over the vulva so that he may insert his spicules and ejaculate. | 2 |
| GO:0019094 | pole plasm mRNA localization | Any process in which mRNA is transported to, or maintained in, the oocyte pole plasm. An example of this is found in Drosophila melanogaster. | 2 |
| GO:0007127 | meiosis I | A cell cycle process comprising the steps by which a cell progresses through the first phase of meiosis, in which cells divide and homologous chromosomes are paired and segregated from each other, producing two daughter cells. | 2 |
| GO:0040038 | polar body extrusion after meiotic divisions | The cell cycle process in which two small cells are generated, as byproducts destined to degenerate, as a result of the first and second meiotic divisions of a primary oocyte during its development to a mature ovum. One polar body is formed in the first division of meiosis and the other in the second division; at each division, the cytoplasm divides unequally, so that the polar body is of much smaller size than the developing oocyte. At the second division in which a polar body is formed, the polar body and the developing oocyte each contain a haploid set of chromosomes. | 1 |
| GO:0045090 | retroviral genome replication | Any process involved in the replication of a retroviral genome. Retroviruses use RNA as their nucleic acid and reverse transcriptase to copy their genome into the DNA of the host cells chromosomes. | 1 |
| GO:0000742 | karyogamy involved in conjugation with cellular fusion | During sexual reproduction, the creation of a single nucleus from multiple nuclei as a result of fusing the lipid bilayers that surround each nuclei. This occurs after cytogamy. | 1 |
| GO:0072520 | seminiferous tubule development | The reproductive developmental process whose specific outcome is the progression of the seminiferous tubule over time, from its formation to the mature structure. Seminiferous tubules are ducts located in the testicles, and are the specific location of meiosis, and the subsequent creation of gametes, namely spermatozoa. | 1 |
| GO:0009556 | microsporogenesis | The process in which the microsporocyte undergoes meiosis, giving rise to four haploid microspores. | 1 |
| GO:0060068 | vagina development | The reproductive developmental process whose specific outcome is the progression of the vagina over time, from its formation to the mature structure. | 1 |
| GO:0048455 | stamen formation | The process that contributes to the act of giving rise to the stamen. This process pertains to the initial formation of a structure from unspecified parts. | 1 |
| GO:0042698 | ovulation cycle | The type of sexual cycle seen in females, often with physiologic changes in the endometrium that recur at regular intervals during the reproductive years. | 1 |
| GO:0046661 | male sex differentiation | The establishment of the sex of a male organism by physical differentiation. | 1 |
| GO:0060528 | secretory columnal luminar epithelial cell differentiation involved in prostate glandular acinus development | The process in which a relatively unspecialized epithelial cell acquires specialized features of a secretory columnal luminar epithelial cell of the prostate. | 1 |
| GO:0001550 | ovarian cumulus expansion | Increase in size of the cumulus surrounding the oocyte including change in morphology due to proliferation and dispersion of cumulus cells. | 1 |
| GO:0046595 | establishment of pole plasm mRNA localization | Any process that results in the directed movement of mRNA to the oocyte pole plasm. | 1 |
| GO:0035112 | genitalia morphogenesis | The process in which the anatomical structures of genitalia are generated and organized. The genitalia are the organs of reproduction or generation, external and internal. | 1 |
| GO:0045141 | meiotic telomere clustering | The cell cycle process in which the dynamic reorganization of telomeres occurs in early meiotic prophase, during which meiotic chromosome ends are gathered in a bouquet arrangement at the inner surface of the nuclear envelope proximal to the spindle pole body. This plays an important role in homologous chromosome pairing and therefore progression through meiosis. | 1 |
| GO:0060478 | acrosomal vesicle exocytosis | The release of intracellular molecules contained within the acrosomal granule by fusion of the vesicle with the plasma membrane of the oocyte, requiring calcium ions. | 1 |
| GO:0048443 | stamen development | The process whose specific outcome is the progression of the stamen over time, from its formation to the mature structure. | 1 |
| GO:0035041 | sperm chromatin decondensation | Unwinding of the condensed nuclear chromatin of an inactive sperm nucleus. | 1 |
| GO:0060180 | female mating behavior | The specific actions or reactions of a female organism that are associated with reproduction. | 1 |
| GO:0060513 | prostatic bud formation | The morphogenetic process in which a region of the fetal urogenital sinus epithelium is specified to become the prostate, resulting in prostate bud outgrowth. | 1 |
| GO:0000239 | pachytene | A cell cycle process comprising the steps by which a cell progresses through the third stage of prophase I in meiosis, in which crossing over occurs between a chromatid in one partner and another chromatid in the homologous chromosome. | 1 |
| GO:0060742 | epithelial cell differentiation involved in prostate gland development | The process in which a relatively unspecialized cell acquires specialized features of an epithelial cell of the prostate gland. | 1 |
| GO:0009836 | fruit ripening, climacteric | A fruit ripening process that involves a burst of respiration and ethylene (ethene) evolution at the onset. | 1 |
| GO:0042711 | maternal behavior | Female behaviors associated with the care and rearing of offspring. | 1 |
| GO:0035232 | germ cell attraction | The directed movement of a germ cell from their site of production to the gonad, through the attraction of cells towards their target. | 1 |
| GO:0007313 | maternal specification of dorsal/ventral axis, oocyte, soma encoded | Polarization of the oocyte along the dorsal-ventral axis, by a gene product encoded by somatic cells. An example of this is found in Drosophila melanogaster. | 1 |
| GO:0046693 | sperm storage | The retention of sperm by a female following mating. | 1 |
| GO:0051321 | meiotic cell cycle | Progression through the phases of the meiotic cell cycle, in which canonically a cell replicates to produce four offspring with half the chromosomal content of the progenitor cell. | 1 |
| GO:0007302 | nurse cell nucleus anchoring | Attachment of the nurse cell nucleus to the plasma membrane. | 1 |
| GO:0031288 | sorocarp morphogenesis | The process in which the sorocarp is generated and organized. An example of this process is found in Dictyostelium discoideum. | 1 |
| GO:0007144 | female meiosis I | The cell cycle process in which the first meiotic division occurs in the female germline. | 1 |
| GO:0048135 | female germ-line cyst formation | Formation of a group of interconnected cells derived from a single female gonial founder cell. | 1 |
| GO:0048449 | floral organ formation | The process that gives rise to floral organs. This process pertains to the initial formation of a structure from unspecified parts. | 1 |
| GO:0000754 | adaptation of signaling pathway by response to pheromone involved in conjugation with cellular fusion | In organisms that undergo conjugation with cellular fusion, the process resulting in desensitization following exposure to pheromone stimulus that act to down-regulate further stimulation or block initial conjugation responses. An example of this is the adaptation to pheromone during conjugation with cellular fusion in Saccharomyces cerevisiae. | 1 |
| GO:0019088 | immortalization of host cell by virus | A virus-induced cellular transformation arising in immortalized cells, or cells capable of indefinite replication, due to their ability to produce their own telomerase. | 1 |
| GO:0060066 | oviduct development | The reproductive developmental process whose specific outcome is the progression of an oviduct over time, from its formation to the mature structure. An oviduct is a tube through which an ova passes from the ovary to the uterus, or from the ovary to the outside of the organism. | 1 |
| GO:0000749 | response to pheromone involved in conjugation with cellular fusion | Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a pheromone stimulus that contributes to the process of conjugation with cellular fusion. An example of this process is found in Saccharomyces cerevisiae. | 1 |
| GO:0019046 | release from viral latency | The process by which a virus switches from latency and begins to replicate. It may be effected by various endogenous and exogenous stimuli, including B-cell lipopolysaccharides, glucocorticoid hormones, halogenated pyrimidines, ionizing radiation, ultraviolet light, various chemicals and super-infecting viruses. | 1 |
| GO:0009554 | megasporogenesis | The process in which the megasporocyte undergoes meiosis, giving rise to four haploid megaspores in the nucellus. | 1 |
| GO:0002176 | male germ cell proliferation | The multiplication or reproduction of male germ cells, resulting in the expansion of a cell population. | 1 |
| GO:0035092 | sperm chromatin condensation | The progressive compaction of the spermatid chromatin so that it reaches a level of condensation that is not compatible with nuclear activities such as transcription or DNA replication. | 1 |
| GO:0019079 | viral genome replication | Any process involved directly in viral genome replication, including viral nucleotide metabolism. | 1 |
| GO:0060736 | prostate gland growth | The increase in size or mass of the prostate gland where the increase in size or mass has the specific outcome of the progression of the gland, from its formation to its mature state. | 1 |
| GO:0007053 | spindle assembly involved in male meiosis | The aggregation, arrangement and bonding together of a set of components to form the spindle during a meiotic cell cycle in males. An example of this is found in Drosophila melanogaster. | 1 |
| GO:0045450 | bicoid mRNA localization | Any process in which bicoid mRNA is transported to and maintained within the oocyte as part of the specification of the anterior/posterior axis. | 1 |
| GO:0010227 | floral organ abscission | The controlled shedding of floral organs. | 1 |
| GO:0001410 | chlamydospore formation | The process whose specific outcome is the progression of the chlamydospore over time, from its formation to the mature structure. A chlamydospores is a mitotic (asexual) one-celled spore, produced primarily for survival, not dispersal, originating endogenously and singly within part of a pre-existing cell and possessing an inner secondary and often thickened cell wall. An example of this is found in Candida albicans. | 1 |
| GO:0035037 | sperm entry | An endocytosis process that results in penetration of the egg shell through the micropyle (a specialized anterior opening in the vitelline envelope) and entry of the entire sperm, including the surrounding plasma membrane and the sperm tail, into the egg cytoplasm. This step in fertilization is seen in Drosophila, where a plasma membrane fusion event between the sperm and the egg does not occur. | 1 |
| GO:0001542 | ovulation from ovarian follicle | The process leading to the rupture of the follicle, releasing the centrally located oocyte into the oviduct. An example of this is found in Mus musculus. | 1 |
| GO:0000711 | meiotic DNA repair synthesis | During meiosis, the synthesis of DNA proceeding from the broken 3' single-strand DNA end that uses the homologous intact duplex as the template. | 1 |
| GO:0060740 | prostate gland epithelium morphogenesis | The process in which the anatomical structures of epithelia of the prostate gland are generated and organized. An epithelium consists of closely packed cells arranged in one or more layers, that covers the outer surfaces of the body or lines any internal cavity or tube. | 1 |
| GO:0001552 | ovarian follicle atresia | A periodic process in which immature ovarian follicles degenerate and are subsequently re-absorbed. | 1 |
| GO:0042006 | masculinization of hermaphroditic germ-line | The determination of male sex and sexual phenotype in the germ-line of the hermaphrodite. An example of this is found in Caenorhabditis elegans. | 1 |
| GO:0043084 | penile erection | The hardening, enlarging and rising of the penis which often occurs in the sexually aroused male and enables sexual intercourse. Achieved by increased inflow of blood into the vessels of erectile tissue, and decreased outflow. | 1 |
| GO:0035263 | genital disc sexually dimorphic development | The sex-specific patterns of primoridia growth and differentiation in the genital imaginal disc. The anal primordium of the genital disc develops in both sexes, but depending on the genetic sex gives rise to either male or female analia. Depending on the genetic sex, only one of the two genital primordia develop. In females the female genital primordium develops and gives rise to the female genitalia whereas the male primordium is repressed. Conversely, in males the male genital primordium develops and gives rise to the male genitalia whereas the female genital primordium is repressed. | 1 |
| GO:0071632 | optomotor response | Eye, head or whole body movements that help to compensate movements of the environment in order to stabilize its image on the retina. In the case of whole body movements, these motor actions may also stabilize a locomotor course in response to some disturbance. Examples include: the optokinetic reflex, which allows human eyes to follow objects in motion while the head remains stationary reflex; the optomotor responses of flying insects and swimming fish. | 1 |
| GO:0048440 | carpel development | The process whose specific outcome is the progression of the carpel over time, from its formation to the mature structure. A carpel is an organ (generally believed to be a modified foliar unit) at the centre of a flower, bearing one or more ovules and having its margins fused together or with other carpels to enclose the ovule in an ovary, and consisting also of a stigma and usually a style. | 1 |
| GO:0048133 | male germ-line stem cell division | The self-renewing division of a germline stem cell in the male gonad, to produce a daughter stem cell and a daughter germ cell, which will divide to form the male gametes. | 1 |
| GO:0000753 | cell morphogenesis involved in conjugation with cellular fusion | The change in form (cell shape and size) that occurs during sexual reproduction in order to facilitate direct contact between the compatible mating types in organisms that undergo conjugation cellular fusion. | 1 |
| GO:0060783 | mesenchymal smoothened signaling pathway involved in prostate gland development | The series of molecular signals generated as a consequence of activation of the transmembrane Smoothened-type protein in the mesenchymal cells of the prostate that contribute to the progression of the prostate over time. This process contributes to lung development. | 1 |
| GO:0046545 | development of primary female sexual characteristics | The process whose specific outcome is the progression of the primary female sexual characteristics over time, from their formation to the mature structure. The primary female sexual characteristics are the ovaries, and they develop in response to sex hormone secretion. | 1 |
| GO:0010183 | pollen tube guidance | The process in which the growth of pollen tube is directed towards the female gametophyte. | 1 |
| GO:0010154 | fruit development | The process whose specific outcome is the progression of the fruit over time, from its formation to the mature structure. The fruit is a reproductive body of a seed plant. | 1 |
| GO:0007320 | insemination | The introduction of semen or sperm into the genital tract of a female. | 1 |
| GO:0007315 | pole plasm assembly | Establishment of the specialized cytoplasm found at the poles of the egg. An example of this is found in Drosophila melanogaster. | 1 |
| GO:0046660 | female sex differentiation | The establishment of the sex of a female organism by physical differentiation. | 1 |