What is the term for the abnormal hemoglobin variant characterized by a decreased affinity for oxygen and an increased affinity for carbon monoxide?

A Hemoglobin M ✓
B Hemoglobin C
C Hemoglobin E
D Hemoglobin Kansas

Explanation

Hemoglobin M is an abnormal hemoglobin variant that has a decreased affinity for oxygen and an increased affinity for carbon monoxide.

Source

Hematology textbooks
Hematology Hematology: Hemoglobin and Oxygen Transport Hematology: Hemoglobin and Oxygen Transport Hard MEDICAL Confidence: medium