Blood is categorized into different blood groups based on

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Blood is categorized into different blood groups based on the presence or absence of various antigens on the surface of red blood cells. The most commonly known blood group system is the ABO system, which classifies blood into four types: A, B, AB, and O, based on the presence or absence of A and B antigens. Another important blood group system is the Rh system, which categorizes blood as Rh-positive or Rh-negative based on the presence or absence of the Rh antigen.

Blood Is Categorized into Different Blood Groups Based on