title: Gene dosage effect in expression of blood group antigens.
mesh_terms: D000818:Animals; D001789:Blood Group Antigens; D002645:Chickens; D004912:Erythrocytes / Q000276:immunology*; D005455:Fluorescent Antibody Technique; D006579:Heterozygote; D006720:Homozygote; D007519:Isoantigens
chemical_list: D001789:Blood Group Antigens; D007519:Isoantigens