与无性生殖相比有性生殖产生的后代具有更大的变异性其根本原因是 A基因突变�率高b基因组合机会多c产生许多新的基因d更易受环境 Template




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tomski与无性生殖相比有性生殖产生的后代具有更大的变异性其根本原因是 a基因突变�率高b基因组合机会多c产生许多新的基因d更易受环境 coloring