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alternation of generations
- a pattern of reproduction occurring in the life cycles of many lower plants and some invertebrates, involving a regular alternation between two distinct forms. The generations are alternately sexual and asexual (as in ferns) or dioecious and parthenogenetic (as in some jellyfishes).
noun: alternation of generations
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- IPA[ˌôltərˈnāSHən əv]
- a pattern of reproduction occurring in the life cycles of many lower plants and some ...
Oxford American Dictionary