Not only did the cloned siblings show distinct food preferences and temperaments, but they also varied in physical characteristics: some had more bristly coats or fewer teeth than others did.

• 这些以复制方式产生的手足，不但各有独特的食物偏好及个性，身体特徵也各不相同，有的皮肤长满了硬毛，有的则是牙齿数目比其他的少。