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单词 oogamous
释义

oogamous

/əʊˈɒɡəməs /
adjective Biology
Relating to or denoting reproduction by the union of mobile male and immobile female gametes.Identification of the charophycean lineage as the sister group of land plants suggests that their common ancestor was a branched, filamentous organism with a haplontic life cycle and oogamous reproduction....
  • Oomycetes are oogamous, producing large non-motile gametes called eggs, and smaller gametes called sperm.
  • Particularly in oogamous species, uniparental inheritance of mitochondria has been attributed to the small number of mitochondria in the male gamete.

Derivatives

oogamously

adverb

oogamy

/əʊˈɒɡəmi / noun ...
  • Meiosis produces 4 gametes, ie. isogamy, anisogamy and oogamy, which through mitosis develops into mature gametes.
  • It has been suggested that algae with a large volume (plant size) at maturity usually display anisogamy or oogamy, as expected if larger zygotes permit more rapid growth to these adult sizes.
  • Isogamy and anisogamy, and sometimes oogamy may occur.
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更新时间:2024/12/22 18:10:40