chromosomal duplication syndrome partial trisomy distal 4q A chromosomal duplication syndrome characterized by growth deficiency, abnormal muscle tone, intellectual disability, and distinctive craniofacial malformations that has_material_basis_in duplication of the distal portion of chromosome 4q. Chromosome 4, Partial Trisomy 4q Duplication 4q Syndrome, Partial disease_ontology DOID:0111159 Distal 4q Trisomy Dup(4q) Syndrome, Partial Partial Trisomy 4q Syndrome