The property of "strength" of histocompatibility antigens, and their ability to produce antigenic competition.
D000818:Animals; D000917:Antibody Formation; D004912:Erythrocytes / Q000276:immunology*; D006461:Hemolysis; D051379:Mice; D009929:Organ Size; D012730:Sex Chromosomes; D013154:Spleen / Q000528:radiation effects / Q000637:transplantation*; D014019:Tissue Donors; D014181:Transplantation Immunology; D014184:Transplantation, Homologous