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anisogamy Line breaks: an|is¦og|amy
Pronunciation: /ˌanʌɪˈsɒɡəmi/

Definition of anisogamy in English:


[mass noun] Biology
Sexual reproduction by the fusion of dissimilar gametes. Compare with isogamy.
Example sentences
  • Meiosis produces 4 gametes, ie. isogamy, anisogamy and oogamy, which through mitosis develops into mature gametes.
  • Isogamy and anisogamy, and sometimes oogamy, may occur.
  • In many species with gametes of different sizes (anisogamy), sexual crosses typically produce progeny with mitochondrial DNA inherited from the larger gamete.


Pronunciation: /anʌɪˈsɒɡəməs/
Example sentences
  • These produce flagellated anisogamous gametes that are released into the water to find each other.
  • The gametes are isogamous or anisogamous and are produced from the plurilocular sporangia of gametophytes.
  • Chlamydomonas braunii is just like C. reinhardtii, except for the fact that it is anisogamous.


Late 19th century: from Greek anisos 'unequal' + -gamy (from gamos 'marriage').

Definition of anisogamy in:
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