| 单词 | mobile genetic element |
| 释义 | > as lemmasmobile genetic element mobile genetic element n. Genetics a fragment of DNA capable of moving within a genome, such as by transposition (transposition n. 7), or between cells. ΚΠ 1976 Soil Biol. & Biochem. 8 150/1 It is well known that biochemically distinct bacteria share common phage receptors and it seems possible that receptor sites may be disseminated and re-arranged in non-random fashion among cell populations by mobile genetic elements (viruses and plasmids) as well as by random mutational drift. 1993 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. (ed. 3) ii. 34/2 Many spontaneous mutations, especially those on a larger scale, may be due to mobile genetic elements. 2010 Nature 15 Apr. 955/2 The genome is unusually gene-poor, but rich in the mobile genetic elements known as transposons. < as lemmas |
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