镰刀型细胞贫血症是由常染色体上的隐性致病基因引起的患者在幼年时期夭折但致病基因的携带者却能对疟疾有较强的抵抗力现在对甲乙两地区进行调查 Template




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tomski镰刀型细胞贫血症是由常染色体上的隐性致病基因引起的患者在幼年时期夭折但致病基因的携带者却能对疟疾有较强的抵抗力现在对甲乙两地区进行调查 coloring