Article
Neuropsychological profiles of three sisters homozygous for the fragile X premutation.
American journal of medical genetics - 9 Aug 1996
Mazzocco M M, Holden J J
Abstract excerpt
Fragile X syndrome (fraX) is associated with an amplification of a CGG repeat within the fraX mental retardation (FMR-1) gene. We describe an exceptional family in which 3 adult sisters are homozygous for the FMR-1 premutation. Each sister inherited 2 premutation alleles (ca. 80 CGG repeats) from their biologically unrelated parents. The 3 sisters were administered measures of executive function, visual spatial,...
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