Red blood cells of which of the following blood groups contains both A and B antigens? निम्न में से किस रुधिर समूह की लाल रक्त कोशिकाओं में A तथा B दोनों प्रतिजन (एंटीजन) पाये जाते हैं?
(A) B
(B) AB
(C) O
(D) A
(E) Question not attempted / अनुत्तरित प्रश्न
Answer: B
There are four primary groups of blood type:
Group A – contains only the A antigen on red cells with B antibody in the plasma. Group B – contains only the B antigen on red cells with A antibody in the plasma.
Group AB – has both the A and B antigens on red cells, but neither A or B antibody in the plasma.