IGNOU BBCCT 101 2026 - Describe the biochemical basis of blood group antigens and t

Question

Describe the biochemical basis of blood group antigens and their importance in blood transfusion.

09 Feb 2026

Answer :

Word Count : 264

Blood group antigens are biochemical markers found on the surface of red blood cells that determine an individual’s blood type. These antigens are primarily glycoproteins or glycolipids, where sugar molecules are attached to a protein or lipid backbone. The most well-known blood group systems are the ABO system and the Rh system. In the ABO system, the antigens are A and B, which differ in the type of sugar attached to the red blood cell surface. Individuals with type A blood have A antigens, those with type

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