揭开克隆动物的神秘面纱What is a clone (克隆物)? We all have mothers and fathers. But a clone doesn’t need two parents. It comes from a single cell (单细胞) from its “mother” or “father”. A clone is just a copy of the cell owner (细胞主人).
21世纪报社版权所有，未经书面授权，禁止转载或建立镜像。 主办单位：中国日报社 Copyright by 21st Century English Education Media All Rights Reserved 版权所有 复制必究 京ICP备13028878号-12京公网安备 11010502033664号
京公网安备 11010502033664号
