genetics abo blood system

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Genetics of ABO blood system. Royalty Free Stock Photo
ABO blood group system. Blood groups with anitigens and antibodies. Diagram showing red blood cells. Royalty Free Stock Photo
   
   
   
   
   
Genetics of ABO blood system.
   
   
   
   
   
   
   
The ABO blood group system is used to denote the presence of one, both, or neither of the A and B antigens on erythrocytes. The ABO gene encodes a glycosyltransferase that catalyzes the transfer of carbohydrates to the H antigen, forming the antigenic structures of the ABO blood group. The proteins encoded by the A and B alleles of ABO differ minimally in amino acid sequence but catalyze the transfer of different carbohydrates onto the H antigen to form the A or B antigens. Individuals with the O blood group do not produce either the A or B antigens.


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