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NEET2004ZoologyBody Fluids and CirculationActual

In which blood group antigens are absent?

Options

  1. AO
  2. BB
  3. CAB
  4. DA

Correct answer

A. O

Step-by-step solution

Person with blood group 'O' has no antigen on his RBC but has both the antibodies (i.e., a and b) in his plasma. Whereas a person with blood group ' A B ' has both antigens but no antibody. Due to this blood group ' O ' is universal donor and blood group ' A B ' is universal acceptor.

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