title: Analysis of banding patterns in a case of ring chromosome 21.
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics; D002869:Chromosome Aberrations / Q000235:genetics*; D002871:Chromosome Banding; D002872:Chromosome Deletion; D025063:Chromosome Disorders; D002904:Chromosomes, Human, 21-22 and Y / Q000648:ultrastructure*; D002972:Cleft Palate / Q000235:genetics; D005500:Follow-Up Studies; D006801:Humans; D007231:Infant, Newborn; D008607:Intellectual Disability / Q000235:genetics; D008297:Male; D010641:Phenotype