下列有关生物遗传变异的叙述中正确的是a无子番茄的无子性状不能遗传无子西瓜不可育但无子性状可遗传b单倍体的体细胞中不存在同源染色体其 Template




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tomski下列有关生物遗传变异的叙述中正确的是a无子番茄的无子性状不能遗传无子西瓜不可育但无子性状可遗传b单倍体的体细胞中不存在同源染色体其 coloring