Which of the following is a characteristic of the Vel blood group system?

A High prevalence in African populations
B Associated with a decreased risk of malaria
C Located on chromosome 1
D Encoded by a gene on chromosome 1 and has a low prevalence in most populations ✓

Explanation

The Vel blood group system is encoded by a gene on chromosome 1 and has a low prevalence in most populations.

Source

Blood Group Antigen FactsBook
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: medium