下列有关性别决定和伴性遗传的叙述正确的是 A.各种生物的染色体均可分为常染色体和性染色体b.人类的性别取决于精子的类型故性别决定的时间 Template




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tomski下列有关性别决定和伴性遗传的叙述正确的是 a.各种生物的染色体均可分为常染色体和性染色体b.人类的性别取决于精子的类型故性别决定的时间 coloring