下列有关生物遗传和变异的叙述错误的是 A.遗传和变异现象在生物界普遍存在b.在生物体细胞中染色体一般是成对存在c.任何变异都能遗传d Template




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tomski下列有关生物遗传和变异的叙述错误的是 a.遗传和变异现象在生物界普遍存在b.在生物体细胞中染色体一般是成对存在c.任何变异都能遗传d coloring