Interactions within and between chromosomes.
D000017:ABO Blood-Group System; D000818:Animals; D002875:Chromosomes / Q000502:physiology*; D004330:Drosophila; D006801:Humans; D007313:Insecta; D012204:Rh-Hr Blood-Group System
D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System