anagenesisWiktionary 原文构词拆分ana-前缀up, above, upward · again+-genesis后缀origin · production词源说明From ana- + -genesis.释义（英文）名词 NounThe evolution of a new species by the large scale change in gene frequency so that the new species replaces the old rather than branching to produce an additional species.词族派生词（1）chromoanagenesis