Definitions for: Heterogenesis


[n] the alternation of two or more different forms in the life cycle of a plant or animal



Webster (1913) Definition: Het`er*o*gen"e*sis, n. [Hetero- + genesis.]
1. (Biol.) Spontaneous generation, so called.

2. (Biol.) That method of reproduction in which the
successive generations differ from each other, the parent
organism producing offspring different in habit and
structure from itself, the original form, however,
reappearing after one or more generations; -- opposed to
homogenesis, or gamogenesis.

Synonyms: alternation of generations, xenogenesis

See Also: digenesis, metagenesis, organic phenomenon

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