anisogamy
/ˌænɪˈsɑɡəmi/
noun
- A type of sexual reproduction in which the two gametes (reproductive cells) that fuse are different in size or form.
- The evolution of anisogamy is a key step in the development of complex life forms.
- Anisogamy is the reason why male and female reproductive cells look so different in most animals.
- In plants, anisogamy often involves a large, non-motile egg and a small, motile sperm.
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