Biology · Human Physiology
Human fetal haemoglobin (HbF) differs from adult haemoglobin (HbA) in that:
- 1it is produced exclusively in the bone marrow throughout the entire gestation period.
- 2it binds to 2,3-BPG much more strongly than adult haemoglobin.
- 3the histidine at the 143 position of the beta chain is replaced by serine.
- 4it consists of 2 alpha and 2 gamma polypeptide chains.✓
Correct answer
it consists of 2 alpha and 2 gamma polypeptide chains.
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