Which of the following blood group systems is responsible for the production of anti-K1 antibodies?

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

Explanation

The Kell blood group system is responsible for the production of anti-K1 antibodies, which can cause hemolytic disease of the fetus and newborn.

Source

International Society of Blood Transfusion (ISBT) guidelines
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: high