Persons with 'AB' blood group are called as "Universal recipients". This is due to:

Persons with 'AB' blood group are called as "Universal recipients". This is due to:
  1. Absence of antigens A and B on the surface of RBCs
  2. Absence of antigens A and B in plasma
  3. Presence of antibodies, anti-A and anti-B, on RBCs
  4. Absence of antibodies, anti-A and anti-B, in plasma

Solution

AB blood groups lack antibodies against antigen A & B, i.e. anti-A and anti-B, in plasma. Hence, they cannot target any particular blood group and have no chances of incompatibility reaction. Thus, called universal recipients.

Asked in: NEET 2021

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