ABO Blood group system

Question

21 Jul 2024

Answer :

Word Count : 218

The ABO blood group system, first discovered by Karl Landsteiner in 1901, is a fundamental classification used to categorize human blood based on the presence or absence of specific antigens and antibodies. This system divides blood into four main types: A, B, AB, and O, determined by the presence of antigens A and B _________ _______ _________ __________ _________ _________.
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