蝴蝶的体色,黄色(C)对白色(c)为显性,而雌的不管是什么基因型都是

蝴蝶的体色,黄色(C)对白色(c)为显性,而雌的不管是什么基因型都是白色的。棒型触角没有性别限制,雄和雌都可以有棒型触角(a)或正常类型(A)。据下面杂交实验结果推导亲本基因型是(  )

亲本:白、正常(父本)×白、棒(母本)

雄子代:都是黄、正常

雌子代:都是白、正常

A.Ccaa(父)×CcAa(母)            B.ccAa(父)×CcAa(母)

C.ccAA(父)×CCaa(母)       D.CcAA(父)×Ccaa(母)

答案

C

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