title: Evidence for a mutation or crossing-over at the Rh locus.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D005826:Genetics, Medical; D006801:Humans; D008297:Male; D008875:Middle Aged; D009154:Mutation; D012204:Rh-Hr Blood-Group System
chemical_list: D012204:Rh-Hr Blood-Group System