Biologically Active Substance
trinucleotide repeat
Subclass of:
Short Tandem Repeat
Definitions related to trinucleotide repeats:
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Sequences of 3 nucleotides repeated in tandem on the same contiguous section of chromosome. A certain amount of normal (polymorphic) variation in repeat number with no clinical significance commonly occurs between individuals; however, repeat numbers over a certain threshold can, in some cases, lead to adverse effects on the function of the gene, resulting in genetic disease.NCI Dictionary of Cancer TermsU.S. National Cancer Institute, 2021
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Microsatellite repeats consisting of three nucleotides dispersed in the euchromatic arms of chromosomes.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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