如图为正常人体细胞的染色体图.请观察后回答1从图中可以看出正常人的体细胞中染色体是成对存在的共有23对染色体.2根据染色体的组成 Template




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tomski如图为正常人体细胞的染色体图.请观察后回答1从图中可以看出正常人的体细胞中染色体是成对存在的共有23对染色体.2根据染色体的组成 coloring