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heterogenesis n. 世代交替,异形生殖,自然发生 世代交替,异形生殖,自然发生 heterogenesis n 1: the alternation of two or more different forms in the life cycle of a plant or animal [synonym: {alternation of generations}, {heterogenesis}, {xenogenesis}] Heterogenesis \Het`er*o*gen"e*sis\, n. [Hetero- genesis.]
1. (Biol.) Spontaneous generation, so called. [1913 Webster] 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}. [1913 Webster]
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