Article
Segregation of the fragile X mutation from a male with a full mutation: unusual somatic instability in the FMR-1 locus.
American journal of medical genetics - 9 Aug 1996
Kambouris M, Snow K, Thibodeau S, Bluhm D, Green M, Feldman G L
Abstract excerpt
Fragile X syndrome is associated with an unstable CGG-repeat in the FMR-1 gene. There are few reports of affected males transmitting the FMR-1 gene to offspring. We report on a family in which the propositus and his twin sister each had a full mutation with abnormal methylation. Their mother had an FMR-1 allele in the normal range and a large premutation, with normal methylation. The maternal grandmother had two...
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