Medical Definition of Trinucleotide repeat
1.
Repetitive part of a genome that may form part of the coding sequence of a gene.
The length of such repeats is frequently polymorphic and unstably amplified repeats appear to be the major cause of such genetic diseases as Huntington disease, fragile X syndrome, spinobulbar muscular atrophy and myotonic dystrophy.
This entry appears with permission from the Dictionary of Cell and Molecular Biology
(11 Mar 2008)
Lexicographical Neighbors of Trinucleotide Repeat
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