Plants and Animals
Botany
Botany: General
isogamy

isogamy , in biology, a condition in which the sexual cells, or gametes, are of the same form and size and are usually indistinguishable from each other. Many algae and some fungi have isogamous gametes. In most sexual reproduction, as in mammals for example, the ovum is quite larger and of different appearance than the sperm cell. This condition is called anisogamy.

isogamy

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views updated Jun 27 2018

isogamy The fusion of gametes that are morphologically alike. This is an uncommon condition, found in some green algae, fungi, and protozoa. Compare OOGAMY.

A Dictionary of Plant Sciences MICHAEL ALLABY

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isogamy

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views updated Jun 08 2018

isogamy The fusion of gametes that are morphologically alike. This is an uncommon condition, found in some Protozoa.

A Dictionary of Zoology MICHAEL ALLABY

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isogamy

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isogamy Sexual reproduction involving the production and fusion of gametes that are similar in size and structure. It occurs in some protoctists, e.g. certain protozoans and algae. Compare anisogamy.

A Dictionary of Biology

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