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
基因复本

透过反转录作用,将基因表
出来
mRNA反转录成DNA序列,再插回基因组内,这

称为反转录移位(retrotransposition),发生在细胞内称为长散布核因子(LINE)
转位子活动时。
本
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以根据需要随意重
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