下图所示遗传系谱中有甲乙两种遗传病其中一种为红绿色盲症下列有关叙述中正确的是 A.甲病基因位于常染色体上乙病基因位于x染色体上 B Template




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tomski下图所示遗传系谱中有甲乙两种遗传病其中一种为红绿色盲症下列有关叙述中正确的是 a.甲病基因位于常染色体上乙病基因位于x染色体上 b coloring