Premutation
"Premutation" in a Sentence (1 examples)
Fragile X syndrome is caused by mutations in the FMR1-gene, which is characterized by an expansion of a CGG triplet in the 5’ UTR. Normal individuals have 6–44 CGG repeats, while carriers of gray zone or premutation alleles have 45–54 and 55–200 repeats, respectively.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.