Alopecia-Intellectual Disability Syndrome 2, also known as alopecia-mental retardation syndrome 2, is related to alopecia-intellectual disability syndrome 1 and alopecia, congenital. An important gene associated with Alopecia-Intellectual Disability Syndrome 2 is APMR2 (Alopecia With Mental Retardation Syndrome 2). Related phenotypes are intellectual disability and alopecia universalis