Intellectual Developmental Disorder, Autosomal Recessive 25, is also known as mental retardation, autosomal recessive 25. An important gene associated with Intellectual Developmental Disorder, Autosomal Recessive 25 is MRT25 (Mental Retardation, Non-Syndromic, Autosomal Recessive, 25). Affiliated tissues include brain, and related phenotypes are delayed speech and language development and anxiety