果蝇中红眼对白眼为显性,控制眼色的基因位于X染色体上。某校科技

果蝇中红眼对白眼为显性,控制眼色的基因位于X染色体上。某校科技小组用红眼雌果蝇与白眼雄果蝇杂交,在正常情况下,不可能出现的遗传现象是(    )

A.F1的雄果蝇全部为红眼               B.F1的雌果蝇一半为白眼

C.F1的雌果蝇全部为红眼               D.F1的雌果蝇全部为白眼

 

答案

D

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