Which of the following blood group systems is characterized by the presence of high-frequency antigens, meaning that most individuals in the population possess these antigens on their red blood cells?

A Rh blood group system
B Kell blood group system
C Duffy blood group system
D MNS blood group system ✓

Explanation

The MNS blood group system is characterized by the presence of high-frequency antigens, including M, N, S, and s antigens.

Source

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