The difference in the genetic relation of Cw to C and c, and Du to D and d.
van LOGHEM
J J
JJ
D001769:Blood; D002874:Chromosome Mapping; D004899:Erythroblastosis, Fetal; D005333:Fetus; D006402:Hematologic Diseases; D006801:Humans; D007231:Infant, Newborn; D012204:Rh-Hr Blood-Group System
D012204:Rh-Hr Blood-Group System
BLOOD; ERYTHROBLASTOSIS, FETAL; Rh FACTOR