调查发现人群中夫妇双方均表现正常也能生出白化病患儿。研究表明

调查发现人群中夫妇双方均表现正常也能生出白化病患儿。研究表明白化病由一对等位基因控制,下列有关白化病遗传的叙述,错误的是     

A、致病基因是隐性基因        

B、如果夫妇双方都是携带者,他们生出白化病患儿的概率是

C、如果夫妇一方是白化病患者,他们所生表现正常的子女一定是携带者

D、白化病患者与表现正常的人结婚,所生子女表现正常的概率是1

 

答案

 D

 

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