Monarch Disease Ontology entry MONDO_0008972 (rhizomelic chondrodysplasia punctata type 1) is a condition that impairs the normal development of many parts of the body. The major features of this disorder include skeletal abnormalities, distinctive facial features, intellectual disability, and respiratory problems. The condition is caused by mutations in the PEX7 gene. It is inherited in an autosomal recessive pattern. Rhizomelic chondrodysplasia punctata type 1 is one of five types of rhizomelic chondrodysplasia punctata. The types have similar features and are distinguished by their genetic cause. Also known as: PBD9, PEX7 rhizomelic chondrodysplasia punctata, Pbd9, RCDP1, Rcdp1, peroxisome biogenesis disorder 9, rhizomelic chondrodysplasia punctata caused by mutation in PEX7, rhizomelic chondrodysplasia punctata, type 1.