与无性生殖相比有性生殖的后代具有较强的变异性这是因为 A.杂种往往比纯种具有更强的生活力b.减数分裂过程dna的复制更容易�生差错c.减数 Template




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tomski与无性生殖相比有性生殖的后代具有较强的变异性这是因为 a.杂种往往比纯种具有更强的生活力b.减数分裂过程dna的复制更容易�生差错c.减数 coloring