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Select the INCORRECT statements with reference to Rh grouping. I. Erythroblastosis foetalis is a condition observed having foetus with $Rh^{-ve}$ blood and mother with $Rh^{+ve}$ blood. II. Rh antigen is observed on RBCs in the majority of human beings. III. Before blood transfusion, Rh group should also be matched. IV. Rh incompatibility is observed when a pregnant mother is $Rh^{-ve}$ and the foetus is $Rh^{+ve}$. V. Erythroblastosis foetalis can be avoided by administering anti-Rh antibodies to the mother immediately after the delivery of the second child. Choose the answer from the options given below:
A
I and V only
B
I and II only
C
II and III only
D
III and IV only
The answer is A.