Article
Genetic diversity at the FMR1 locus in Mexican population.
Archives of medical research - 1 Jan 2000
Rosales-Reynoso Mónica Alejandra, Mendoza-Carrera Francisco, Troyo-Sanromán Rogelio, Medina Claudina, Barros-Núñez Patricio
Abstract excerpt
BACKGROUND: Fragile X syndrome is the most frequent cause of inherited mental retardation; it is caused by expansion of CGG repeats in the first exon of the FMR1 gene. Number of CGG repeats varies between 6 and 50 triplets in normal individuals and the most common alleles have 29 or 30 repeats. Allelic patterns in the global population are similar; however, some reports show statistical differences among several...
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