下图示生物新物种形成的基本环节对图示分析正确的是 A.图中a表示基因突变和基因重组为进化提供原材料b.种群基因�率的定�改变是形成新物种的 Template




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tomski下图示生物新物种形成的基本环节对图示分析正确的是 a.图中a表示基因突变和基因重组为进化提供原材料b.种群基因�率的定�改变是形成新物种的 coloring