Mondo Description A class of genetic disorders resulting in intellectual disability that is associated either with mutations of genes located on the X chromosome or aberrations in the structure of the X chromosome (sex chromosome aberrations).

Uniprot Description A complex multifactorial, pervasive developmental disorder characterized by impairments in reciprocal social interaction and communication, restricted and stereotyped patterns of interests and activities, and the presence of developmental abnormalities by 3 years of age. Most individuals with autism also manifest moderate mental retardation.