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.
Persons with 'AB' blood group are called as "Universal recipients". This is due to:
Held on 30 Apr 2021 · Verified 9 Jul 2026.
Absence of antigens A and B on the surface of RBCs
Absence of antigens A and B in plasma
Presence of antibodies, anti-A and anti-B, on RBCs
Absence of antibodies, anti-A and anti-B, in plasma
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