ABO antigens and enzymes. As an introduction.
D000017:ABO Blood-Group System; D002874:Chromosome Mapping; D005799:Genes, Dominant; D014644:Genetic Variation; D005964:Glucosyltransferases / Q000276:immunology*; D006801:Humans; D007519:Isoantigens / Q000032:analysis; D007983:Lewis Blood Group Antigens; D010641:Phenotype; D014176:Protein Biosynthesis
D000017:ABO Blood-Group System; D007519:Isoantigens; D007983:Lewis Blood Group Antigens; D005964:Glucosyltransferases