What is the primary function of the Duffy antigen in red blood cells?

A To regulate the expression of other antigens
B To act as a receptor for chemokines ✓
C To facilitate the transport of oxygen
D To provide structural support to the cell membrane

Explanation

The Duffy antigen acts as a receptor for chemokines, which are signaling molecules that play a crucial role in the immune response.

Source

Medical Microbiology by Patrick R. Murray
Hematology Hematology: Blood Components Hematology: Blood Components Medium MEDICAL Confidence: high