title: Hb-S, beta thalassemia and Hb-A-2 (B-2) in a family with evidence of a crossover between beta and delta loci.
mesh_terms: D000017:ABO Blood-Group System; D000293:Adolescent; D000328:Adult; D001741:Black or African American; D002648:Child; D004586:Electrophoresis; D005260:Female; D006455:Hemoglobins, Abnormal; D006801:Humans; D008297:Male; D012204:Rh-Hr Blood-Group System; D013789:Thalassemia / Q000235:genetics*
chemical_list: D000017:ABO Blood-Group System; D006455:Hemoglobins, Abnormal; D012204:Rh-Hr Blood-Group System