What is the primary mechanism by which the Kell blood group system antigens are adsorbed onto red blood cells?

A Glycosylation
B Phosphorylation
C Endocytosis
D Adsorption from plasma proteins ✓

Explanation

The Kell blood group system antigens are adsorbed onto red blood cells from plasma proteins.

Source

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