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NEETZoologyBody Fluids and Circulation

What is erythroblastosis foetalis?

Options

  1. AA condition where the foetus becomes Rh positive.
  2. BA condition where the foetus becomes Rh negative.
  3. CA condition where the foetal RBCs are destroyed.
  4. DA condition where the mother does not form any antibodies.

Correct answer

C. A condition where the foetal RBCs are destroyed.

Step-by-step solution

: Another antigen, the Rh antigen similar to one present in Rhesus monkeys (hence Rh), is also observed on the surface of RBCs of majority (nearly 80 per cent) of humans. Such individuals are called Rh positive (Rh+ve) and those in whom this antigen is absent are called Rh negative (Rh-ve). An Rh-ve person, if exposed to Rh+ve blood, will form specific antibodies against the Rh antigens. Therefore, Rh group should also be matched before transfusions. A special case of Rh incompatibility (mismatching) has been obser

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