导致正常细胞�生癌变的根本原因是 A.致癌因子使原癌基因和�癌基因�生突变 B.细胞中的染色体上存在原癌基因和�癌基因 C.原癌基因与�癌 Template




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tomski导致正常细胞�生癌变的根本原因是 a.致癌因子使原癌基因和�癌基因�生突变 b.细胞中的染色体上存在原癌基因和�癌基因 coloring