Who reported the ABO blood grouping in human beings for the first time – InterviewSolution

1.	Who reported the ABO blood grouping in human beings for the first time? What is the basis for this grouping.
Answer» Karl Landsteiner reported for the first time ABO blood groups in human being. This grouping is based on the presence or absence of two antigens on the RBC's namely A and B. In a blood transfusion, the blood of a donor has to be matched with the blood of a recipient as transfusion of mismatched blood groups leads to agglutination of blood.

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