fragile X syndrome

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Related to Fragile X: autism, Down syndrome, myotonic dystrophy, Williams syndrome, Angelman syndrome, Rett syndrome

fragile X syndrome

[‚fraj·əl ′eks ‚sin‚drōm]
(medicine)
A hereditary condition resulting from a trinucleotide repeat at an inherited fragile site on the long arm of the X chromosome. Affected males usually have some characteristic facial features, enlarged testes, and mental retardation. Females with on fragile X chromosome and one normal X chromosome may have a lesser degree of mental retardation.
References in periodicals archive ?
Today, in celebration of National Fragile X Research Day, which is October 5th, the First Data Western Union Foundation in partnership with TravelCenters of America announce a donation to FRAXA Research Foundation, the largest nonprofit organization aimed at the treatment and cure of Fragile X.
Fragile X is the leading known cause of autism, accounting for 7-12 percent of all cases of autism.