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
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