Which trinucleotide repeat sequence is expanded in the FMR1 gene in people with Fragile X Syndrome

The correct answer is C) CGG. This question specifically addresses the exact sequence of nucleotides that is repeated more than the normal range in individuals affected by Fragile X Syndrome, leading to the silencing of the FMR1 gene and the syndrome's associated symptoms. Problem: Which trinucleotide repeat sequence is expanded in the FMR1 gene in individuals with Fragile X Syndrome? A) ATG B) CAG C) CGG D) GAA