Select the incorrect statements with reference to Rh grouping : A. Erythroblastosis foetalis is a condition observed having foetus with Rh ^ -ve blood and mother with Rh ^ +ve 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 ^ -ve and the foetus is Rh ^ +ve . E. Erythro

Step-by-step solution

Statement A is incorrect because erythroblastosis foetalis occurs when a pregnant mother is Rh ^ -ve and the foetus is Rh ^ +ve . Statement B is correct as nearly 80 % of humans have the Rh antigen on the surface of their RBCs. Statement C is correct because Rh compatibility must be checked before blood transfusion to prevent immune reactions. Statement D is correct as Rh incompatibility arises when an Rh ^ -ve mother carries an Rh ^ +ve foetus. Statement E is incorrect because erythroblastosis foetalis is prevente