NEET 2009 Biology 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:

(1)overdominance of this type on the genes for A and B types
(2)one antibody only - either anti-A or anti-B on the RBCs
(3)no antigens A and B on RBCsCorrect
(4)other antigens besides A and B on RBCs

Answer: (3)

Solution

The letter "O" in ABO comes from the German word "ohne" (without) / the idea of zero: the RBCs of blood group O possess neither antigen A nor antigen B on their surface (genotype ). Blood group O plasma carries

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Question ID VK-090204