Most common Hemoglobin in normal adult is: March 2005

Ans. A: HbA In the embryo-Gower 1 (C2 r2) Gower 2 (a2E2) In the fetus: hemoglobin F (a2y2) In the adults: Hemoglobin A (GA) - The most common with a normal amount over 95% Hemoglobin A 2 (a26,) - Chain synthesis begins late in the third trimester and in adults, it has a normal range of 1.5-3.5% Hemoglobin A1c is increased in the patients with poorly controlled diabetes mellitus