一对表现型正常的夫妇生了一个血友病的孩子经过医学检查医生确定这个孩子的染色体组成为44 Xxy那么这个孩子的病因决定于a父亲b母亲 Template




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tomski一对表现型正常的夫妇生了一个血友病的孩子经过医学检查医生确定这个孩子的染色体组成为44 xxy那么这个孩子的病因决定于a父亲b母亲 coloring