Multiple choice general knowledge

Rarest blood group??

  1. Kolkata blood group

  2. Bombay Blood group

  3. AB -ve

  4. B -ve
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Bombay Blood Group (hh phenotype) is the rarest blood type in the world, occurring in approximately 1 in 10,000 people in India and 1 in 1,000,000 globally. It lacks H antigens and can cause severe transfusion reactions if mismatched with ABO types.

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