Alternatively, a new version of a gene can also be created through reverse transcription: during gene expression, the mRNA is copied back into a sequence of DNA that is inserted into the genome.
其二,新
基
复本也可能透过反转
作用,将基

出来
mRNA反转
DNA
列,再插回基
组内,这种
象称为反转
移位(retrotransposition),发生在细胞内称为长散布核
子(LINE)
转位子活动时。
本
语
本
记第九季 Friends Season_09




