`fmr1-gene` Related Article Results

Fragile X Syndrome (FXS) is a hereditary neurodevelopmental disorder linked to the X chromosome and the most common inherited cause of intellectual disability. It is the second most frequent cause of intellectual disability overall, following Down Syndrome. The genetic etiology involves an increase in the number of CGG trinucleotide repeats in the Fragile X Mental Retardation 1 (FMR1) gene located at the q27.3 region of the X chromosome. When these repeats exceed 200, the FMR1 gene becomes silen