生命钟基因控制着细胞程序衰老。 生物体细胞内存在一系列基因，它们控制着细胞的生长、分化、老化和死亡。

There are a series of genes in cell which determin cellular growth, differentiation, aging and death (3) Critical telomere shortening.

youdao

生命钟基因控制着细胞程序衰老。 生物体细胞内存在一系列基因，它们控制着细胞的生长、分化、老化和死亡。

There are a series of genes in cell which determin cellular growth, differentiation, aging and death (3) Critical telomere shortening.

youdao