已知并指为常染色体显性遗传。一对夫妇生有一男一女两个孩子,丈

已知并指为常染色体显性遗传。一对夫妇生有一男一女两个孩子,丈夫并指,妻子色盲。下列说法正确的是

A.男孩一定色盲且可能并指;女孩可能并指但不患色盲

B.男孩一定色盲及并指;女孩并指但不患色盲

C.男孩并指但色觉正常;女孩并指且患色盲

D.男孩一定色盲、并指;女孩可能并指但一定患色盲

答案

A

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