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Question

Blood group is determined by the ______ present on the red blood cells.

A
antigens
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B
plasma
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C
fibrinogen
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D
albumin
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Solution

The correct option is A antigens
  • Antigens are proteins present on the surface of RBCs which give rise to different blood groups.
  • Blood group is determined based on whether antigen A, B or both A and B are present on the red blood cells.
  • If neither A nor B antigens are present on the red blood cells, it results in the O blood group.

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