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4.Principles of Inheritance and Variation
medium
The most popularly known blood grouping is the $ABO$ grouping. It is named $ABO$ and not $ABC$, because $“O”$ in it refers to having
A
overdominance of this type on the genes for $A$ and $B$ types
B
one antibody only - either anti - $A$ or anti - $ B$ on the $RBCs$
C
no antigens $A$ and $B$ on $RBCs$
D
other antigens besides $A$ and $B$ on $RBCs.$
(AIPMT-2009)
Solution
(c) : In $ABO$ blood group $O$ refers to $O$ blood group. It has no antigen ($A$ and $B$) on $RBCs.$
Standard 12
Biology
