The long [E/e] and the short [C/c] of the rhesus polymorphism.
Hopkinson
D A
DA
D000483:Alleles; D005796:Genes; D005838:Genotype; D006801:Humans; D011110:Polymorphism, Genetic; D011487:Protein Conformation; D012326:RNA Splicing; D012204:Rh-Hr Blood-Group System / Q000737:chemistry / Q000235:genetics*
D012204:Rh-Hr Blood-Group System