一蜂王和一雄蜂交配产生F1代,在F1代雌雄个体交配产生的F2代中,

 一蜂王和一雄蜂交配产生F1代,在F1代雌雄个体交配产生的F2代中,雄蜂的基因型共ABAbaBab4种,雌蜂的基因型共AaBbAabbaaBbaabb四种,则亲本蜜蜂的基因型是(    

A.aabb×AB      B.AaBb×Ab     C.AAbb×aB    D.AABB×ab

答案

 A

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