Who discovered and described the blood groups (ABO) classification? Options: A . &nbspTheodor Kocher B . &nbspKarl Landsteiner C . &nbspOtto Warburg D . &nbspKarl Hooper

Who discovered and described the blood groups (ABO) classification?

Question

Who discovered and described the blood groups (ABO) classification?

Options:

A . Theodor Kocher

B . Karl Landsteiner

C . Otto Warburg

D . Karl Hooper

Answer: Option B
Answer: (b).Karl Landsteiner

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