NEET 2001 Biology question

What is correct for Blood group 'O' : -

(1)No antegens but both a and b antibodies are presentCorrect
(2)A antegen and b antibody
(3)Antigen and Antibody both absent
(4)A and B antigens and a, b, antibodies

Answer: (1)

Solution

Blood group O has no A or B antigens on the red blood cells, while its plasma contains both anti-A (a) and anti-B (b) antibodies. Hence (1). Option (2) describes

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Question ID VK-088923