In human the Hb is_______________?
Correct answer: A. HbA
- A. HbA
- B. HbH
- C. HbM
- D. HbS
Explanation
HbA, composed of two alpha and two beta chains, is the predominant normal haemoglobin in healthy adults. HbS and HbM are abnormal variants, while HbH consists of beta-chain tetramers.
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