长期接触x射线的人群产生的后代中遗传病�病率明显提高主要是该人群生殖细胞�生 A.基因重组 b.基因分离 C.基因互换 D.基因突变——青 Template




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tomski长期接触x射线的人群产生的后代中遗传病�病率明显提高主要是该人群生殖细胞�生 a.基因重组 b.基因分离 coloring