- 《英文msh詞典》Repeat Expansions,Trinucleotide
- [入口詞] Repeat Expansions,Trinucleotide
- [主題詞] Trinucleotide Repeat Expansion
- [英文釋義] 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.
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