| retrotransposon | <molecular biology> Transposable element with a transpositional mechanism requiring reverse transcriptase in a manner reminiscent of retroviruses, to which they may be related. (18 Nov 1997) |
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| retrotransposons | Transposable elements (transposons) that involve a retrovirus-like process of reverse transcription. The DNA element is transcribed into RNA, reverse-transcribed into DNA, and then inserted at a new site in the genome. (12 Dec 1998) |