What is the primary function of the Kell blood group system in relation to red blood cell membranes?

A To regulate the expression of glycosyltransferases
B To maintain the structural integrity of the red blood cell membrane ✓
C To modulate the activity of complement proteins
D To facilitate the transport of ions and molecules across the membrane

Explanation

The Kell blood group system plays a crucial role in maintaining the structural integrity of the red blood cell membrane, with mutations in the KEL gene leading to abnormalities in red blood cell morphology.

Source

Journal of Clinical Investigation
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Hard MEDICAL Confidence: high