下图表示生物新物种形成的基本环节下列叙述正确的是 A.自然选择过程中直接受选择的是基因型进而导致基因�率的改变 b.同一物种不同 Template




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tomski下图表示生物新物种形成的基本环节下列叙述正确的是 a.自然选择过程中直接受选择的是基因型进而导致基因�率的改变 b.同一物种不同 coloring