Mesh term Trinucleotide Repeat Expansion
Browse to parent terms:DNA Repeat Expansion
Trinucleotide Repeats
Description
An increased number of contiguous trinucleotide repeats in the DNA sequence from one generation to the next. The presence of these regions is associated with diseases such as FRAGILE X SYNDROME and MYOTONIC DYSTROPHY. Some CHROMOSOME FRAGILE SITES are composed of sequences where trinucleotide repeat expansion occurs.Search for this term in our Faculty Database
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