What is the role of glycosylation in the expression of ABO blood group antigens?

A It enhances the immunogenicity of the antigen
B It reduces the expression of the antigen on the red cell surface
C It is necessary for the synthesis of the antigen ✓
D It has no effect on the expression of the antigen

Explanation

Glycosylation is necessary for the synthesis of ABO blood group antigens, as the carbohydrate molecules are added to the protein backbone to form the complete antigen.

Source

Modern Blood Banking and Transfusion Practices
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Hard MEDICAL Confidence: high