Intellectual Developmental Disorder, X-Linked 45, also known as mrx45, is related to non-syndromic x-linked intellectual disability 45 and intellectual developmental disorder, x-linked 29. An important gene associated with Intellectual Developmental Disorder, X-Linked 45 is ZNF81 (Zinc Finger Protein 81). Affiliated tissues include testes, and related phenotypes are intellectual disability and high palate