title: [Allelic enhancement].
mesh_terms: D000017:ABO Blood-Group System; D000483:Alleles; D005700:Galactosyltransferases / Q000097:blood; D006579:Heterozygote; D006801:Humans; D010375:Pedigree; D012463:Saliva / Q000276:immunology; D013816:Thermodynamics
chemical_list: D000017:ABO Blood-Group System; D005700:Galactosyltransferases
vernacular_title: Le renforcement allèlique