Read the following statements regarding the Rh blood group system and select the incorrect ones: A. The Rh antigen, similar to one present in Rhesus monkeys, is found on the surface of RBCs in nearly 80 per cent of humans. B. An Rh ^ -ve person, if exposed to Rh ^ +ve blood, will form specific antibodies against the Rh antigens. C. In Rh incompatibility during pregnancy, the maternal blood is normally well separated

Step-by-step solution

Statement A is correct as the Rh antigen is present on the surface of RBCs in nearly 80 per cent of humans. Statement B is correct as exposure of Rh ^ -ve blood to Rh ^ +ve blood induces the formation of specific anti-Rh antibodies. Statement C is correct because during the first pregnancy, maternal and foetal blood are well separated by the placenta, preventing mixing. Statement D is incorrect because erythroblastosis foetalis causes severe anaemia and jaundice in the foetus, not in the pregnant mother. The matern