假设ab代表玉米的优良基因这两种基因是自由组合的现有aabbaabb两个品种为培育出优良品种aabb可采用的方法如下图所示 1 Template




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tomski假设ab代表玉米的优良基因这两种基因是自由组合的现有aabbaabb两个品种为培育出优良品种aabb可采用的方法如下图所示 1 coloring