请楼主认真看题,D选项黑色雄猫的基因型为XAY,黄色雌猫的基因型为XaXa或XAXa(XA失活)当雌猫为XaXa(Xa失活)与XAY杂交,后代雌性表现型均为黑色XAXa(Xa失活),雄性表现型均为黄色XaY当雌猫为XAXa(XA失活)与XAY杂交,后代雌性表现型均为黑色XAXa(Xa失活),雄性表现型均为黄色XaY
对阿,你自己都说了,不能分辨性别,所以D是不正确的。有问题吗?