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    Question

    Who was awarded the Nobel Prize in 1930 for discovering

    the human ABO blood group system?
    A Karl Landsteiner Correct Answer Incorrect Answer
    B Albert Claude Correct Answer Incorrect Answer
    C Roger Guillemin Correct Answer Incorrect Answer
    D George Wald Correct Answer Incorrect Answer

    Solution

    Karl Landsteiner discovered the ABO blood group system in 1901, revolutionizing the field of transfusion medicine. His groundbreaking work earned him the Nobel Prize in Physiology or Medicine in 1930.

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