Pathology Duffy antigen is associated with: A Cluster of Differentiation 123 (CD123) B Cluster of Differentiation 234 (CD234) C Cluster of Differentiation 345 (CD345) D Cluster of Differentiation 456 (CD456) 💡 Explanation Duffy antigen is associated with: ✓ Correct Answer: B. Cluster of Differentiation 234 (CD234)