Recombination within the HL-A locus.
D000017:ABO Blood-Group System; D000328:Adult; D001787:Blood Group Incompatibility; D001854:Bone Marrow Cells; D016026:Bone Marrow Transplantation; D003434:Crossing Over, Genetic; D003601:Cytotoxicity Tests, Immunologic; D005260:Female; D005347:Fibroblasts / Q000276:immunology; D006087:Graft vs Host Reaction; D006649:Histocompatibility Antigens; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000235:genetics; D007983:Lewis Blood Group Antigens; D007959:Lymphocyte Culture Test, Mixed; D008214:Lymphocytes / Q000276:immunology; D008297:Male; D010334:Paternity; D011995:Recombination, Genetic
D000017:ABO Blood-Group System; D006649:Histocompatibility Antigens; D007983:Lewis Blood Group Antigens