The Rhesus factor of blood was first identified in a category of

princesslove

8 years ago

Is this correct

Humility11

1 year ago

The correct answer is:

B. Human males and females, specifically Karl Landsteiner's work with human blood in 1901.

Karl Landsteiner discovered the ABO blood group system, identifying the A and B antigens on red blood cells. He found that some people's blood reacted with others, leading to the identification of the ABO blood types.

Landsteiner's work laid the foundation for modern blood transfusion medicine and earned him the Nobel Prize in Physiology or Medicine in 1930.