Article
Examination of the effect of the polymorphic CGG repeat in the FMR1 gene on cognitive performance.
Behavior genetics - 1 Jul 2005
Allen Emily Graves, Sherman Stephanie, Abramowitz Ann, Leslie Mary, Novak Gloria, Rusin Michele, Scott Elizabeth, Letz Richard
Abstract excerpt
A CGG repeat sequence located in the 5' untranslated region of the FMR1 gene is polymorphic with respect to size and stability of the repeat during parent-offspring transmission. When expanded to over 200 repeats, the gene is hypermethylated and silenced, leading to fragile X syndrome (FXS). Rece...
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