Article
A study of the physical, behavioral, and medical phenotype, including anthropometric measures, of females with fragile X syndrome.
American journal of diseases of children (1960) - 1 Nov 1993
Hull C, Hagerman R J
Abstract excerpt
The physical features of fragile X, including a long face, prominent ears, and hyperextensible joints, are present in affected males and females. Cytogenetically negative heterozygotes have been considered to be unaffected by the fragile X mental retardation-1 (FMR-1) gene. This study investigated the penetrance of the FMR-1 gene in cytogenetically negative but DNA-positive heterozygotes with a premutation...
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