| 单词 | genetic variation |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Mayr〕German-born American biologist best known for his research into genetic variation in new populations.麦尔，厄恩斯特：德裔美籍生物学家，因其对新人口中基因变异的研究而著称美国传统〔microevolution〕Evolution resulting from a succession of relatively small genetic variations that often cause the formation of new subspecies.微进化：由一系列相对较小通常能产生新的亚科的基因变异引起的进化美国传统〔selectionist〕Of or relating to the view that evolution or genetic variation occurs chiefly as a result of natural selection.自然选择论的：认为进化和遗传变异的发生是自然选择的结果的观点的或与之相关的美国传统 |
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