one in every 10,000 to 15,000 live female births and in all racial and ethnic groups worldwide (Rett Syndrome, 2010). Rett syndrome is a genetic disorder, in which less than 1 percent of recorded cases are inherited or passed from one generation to the next (Rett Syndrome Ract Sheet, 2011). Most cases of Rett syndrome are caused by a mutation on the MECP2 gene, which is found on the X chromosome (Rett Syndrome, 2010). The Rett syndrome disorder occurs spontaneously in most affected individuals…
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