Body Fluids and CirculationMedium
Question
The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because ′O′ in it refers to having
Options
A.other antigens besides A and B on RBCs
B.over dominance of this type on the genes for A and B types
C.one antibody only either anti-A or anti-B on the RBCs
D.no antigens A and B on RBCs
Solution
Landsteiner divided human population into four groups based on the presence of antigens found in their RBCs. Each group represented a blood groups A, B, AB and O. Blood group ′O′ does not contain any antigen on RBCs, hence can be given to any person, that’s why this blood group is called universal donor.
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