On the Mk allele of the MNSs system.
D000328:Adult; D000372:Agglutination Tests; D000937:Antigen-Antibody Reactions; D000941:Antigens; D001789:Blood Group Antigens; D002675:Child, Preschool; D005260:Female; D005796:Genes; D006801:Humans; D007106:Immune Sera; D008297:Male
D000941:Antigens; D001789:Blood Group Antigens; D007106:Immune Sera