NEET 2026 Biology question
Select the incorrect statement with reference to Rh grouping. A. Erythroblastosis foetalis is a condition observed having foetus with Rh blood and mother with Rh blood. B. Rh antigen is observed on RBCs in the majority of human beings. C. Before blood transfusion, Rh group should also be matched. D. Rh incompatibility is observed when a pregnant mother is Rh and the foetus is Rh. E. Erythroblastosis foetalis can be avoided by administering anti-Rh antibodies to the mother immediately after the delivery of the second child.
Solution
A is incorrect: the condition arises when the mother is Rh-negative and the foetus Rh-positive, not the reverse. B is correct: about 80 percent of humans carry the Rh antigen on their RBCs (Rh positive). C is correct: Rh matching is also needed before transfusion to avoid destruction of RBCs. D is correct: this is
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