某校生物研究性学习小组的同学在进行遗传病�病情况调查时�现本校高一年级有一位男生患一种单基因遗传病这种病有明显的家族聚集现象该男生的祖父 Template




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tomski某校生物研究性学习小组的同学在进行遗传病�病情况调查时�现本校高一年级有一位男生患一种单基因遗传病这种病有明显的家族聚集现象该男生的祖父 coloring