An Rh gene complex which produces weak c and e antigens in a mother and her son.
D005260:Female; D006513:Hepatitis B e Antigens; D009035:Mothers; D012204:Rh-Hr Blood-Group System / Q000235:genetics*
D006513:Hepatitis B e Antigens; D012204:Rh-Hr Blood-Group System
RH FACTORS/genetics