| 释义 |
alternation of generationsn.（名词）- The regular alternation of forms or of mode of reproduction in the life cycle of an organism, such as the alternation between diploid and haploid phases, or between sexual and asexual reproductive cycles. Also called metagenesis ,xenogenesis 世代交替：有机物生命循环中繁殖方式或模式的有规律的交替，如二倍体和单倍体阶段之间的交替，有性繁殖和无性繁殖周期之间的交替 也作 metagenesis,xenogenesis
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