What is Rett Syndrome? Rettsyndrome.org. (2021, June 18). https://www.rettsyndrome.org/about-rett-syndrome/what-is-rett-syndrome/.

University of Rochester

Occurring almost exclusively in girls, it is a rare genetic neurological disorder that affects everyday functioning in almost every aspect. Caused by mutations to the X chromosome, specifically on gene MECP2, with severity of the syndrome determined by location, type, and severity of the mutation. A hallmark is near constant and repetitive hand motions, but other symptoms include loss of speech, mobility, and muscle tone, seizures, scoliosis, and breathing problems. 

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