最新关注
Cloned endangered ferret has babies克隆濒危雪貂产仔Several years ago, American scientists announced that they had cloned a black-footed ferret called Elizabeth Ann. Now it has two other cloned sisters, Noreen and Antonia. Last year, Antonia gave birth to two babies. It is very encouraging for scientists hoping to protect the endangered species.
在线阅读
全文下载
赣公网安备 36012102000372号
互知学术
全科互知