长期接触到x射线的人群他她们的后代中遗传病的�病率明显提高其主要原因是这一人群的生殖细胞很可能�生 A.基因重组 b.基因分离 C Template




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tomski长期接触到x射线的人群他她们的后代中遗传病的�病率明显提高其主要原因是这一人群的生殖细胞很可能�生 a.基因重组 b.基因分离 coloring