DO_rare_slim has material basis in autosomal recessive intellectual developmental disorder neurodevelopmental disorder with growth impairment, quadriparesis, and poor or absent speech MIM:621354 UMLS_CUI:C6065911 DOID:0070811 An autosomal recessive intellectual developmental disorder characterized by global developmental delay, delayed walking or inability to walk, moderate to profoundly impaired intellectual development with poor or absent speech, and poor overall growth, often with microcephaly that has_material_basis_in homozygous mutation in the INPP4A gene gene on chromosome 2q11. NEDGQS UMLS_CUI:C6065911 disease_ontology MIM:621354 autosomal recessive inheritance