Which of the following is the normal approximate percentage of hemoglobins in adults?
a2b2 a2d2 a2g2
a. 2% 2% 96%
b. 2% 96% 2%
c. 96% 2% 2%
d. 40% 20% 40%
ANS: C
In adults, the approximate concentration of hemoglobin A (Hb A) (a2b2) is 96%; of Hb A2 (a2d2), 2%; and of hemoglobin F (Hb F) (a2g2), 2%.
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