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Which of these are present in the plasma of a person having ‘O’ blood group?(a) Anti-A and anti-B(b) Anti-A(c) Anti-B(d) Antibodies are absentThis question was posed to me during an internship interview.This is a very interesting question from Body Fluids in portion Body Fluids and Circulation of Biology – Class 11

Answer»

The correct OPTION is (a) Anti-A and anti-B

Best explanation: For people having ‘O’ blood GROUP, their RED blood cells do not have any surface antigens. However, the ANTIBODIES anti-A and anti-B are present in the PLASMA of people having this blood group.



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