英语词汇“trinucleotide repeat expansion”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	trinucleotide repeat expansion
释义	trinucleotide repeat expansion trinucleotide repeat expansion [‚trī¦nü·klē·ə‚tīd ri′pēt ik‚span·shən] (genetics) An increase in the number of copies of a trinucleotide that is normally already present in multiple adjacent copies. For example, the X-linked mental retardation 1 (XLMRI) locus in humans usually contains 6-50 tandem repeats of CCG, but this is expanded to 200-2000 copies in the fragile-X syndrome. Trinucleotide repeat expansion Trinucleotide repeat expansion A sequence of three nucleotides that is repeated too many times in a section of a gene.Mentioned in: Myotonic Dystrophy
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trinucleotide repeat expansion