AmiGO 2: Term Details for "sexual reproduction" (GO:0019953)

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Term Information

Accession: GO:0019953
Name: sexual reproduction
Ontology: biological_process
Synonyms: None
Alternate IDs: None
Definition: A type of reproduction that combines the genetic material of two gametes (such as a sperm or egg cell or fungal spores). The gametes have an haploid genome (with a single set of chromosomes, the product of a meiotic division) and combines with one another to produce a zygote (diploid). Source: Wikipedia:Sexual_reproduction
Comment: Note that gametes may come from two organisms or from a single organism in the case of self-fertilizing hermaphrodites, e.g. C. elegans, or self-fertilization in plants. Note also that sexual reproduction may be seen as 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.
History: See term history for GO:0019953 at QuickGO
Chem. react.: None
Subset: None
Related: Link to all genes and gene products annotated to sexual reproduction (excluding "regulates").; Link to all direct and indirect annotations to sexual reproduction (excluding "regulates").; Link to all direct and indirect annotations download (limited to first 10,000) for sexual reproduction (excluding "regulates").

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For more information, please see the ontology relation documentation.

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GO:0008150 biological_process
GO:0022414 reproductive process
GO:0019953 sexual reproduction
GO:0000747 conjugation with cellular fusion
GO:0000748 conjugation with mutual genetic exchange
GO:0009566 fertilization
GO:0007276 gamete generation
GO:0007618 mating
GO:0051321 meiotic cell cycle
GO:0000909 sporocarp development involved in sexual reproduction

Parents of sexual reproduction (GO:0019953)

subject	relation	object
sexual reproduction	is_a	reproductive process (GO:0022414)

Children of sexual reproduction (GO:0019953)

subject	relation	object
gamete generation (GO:0007276)	BFO:0000050	sexual reproduction
conjugation with cellular fusion (GO:0000747)	is_a	sexual reproduction
mating (GO:0007618)	BFO:0000050	sexual reproduction
sporocarp development involved in sexual reproduction (GO:0000909)	BFO:0000050	sexual reproduction
fertilization (GO:0009566)	BFO:0000050	sexual reproduction
conjugation with mutual genetic exchange (GO:0000748)	is_a	sexual reproduction
meiotic cell cycle (GO:0051321)	BFO:0000050	sexual reproduction

Wikipedia: Sexual_reproduction