Human fetal hemoglobin has:

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Question

(A) Fetal hemoglobin $(HbF)$ consists of two alpha and two gamma polypeptide chains,whereas adult hemoglobin $(HbA)$ consists of two alpha and two bet

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a higher affinity for oxygen than adult hemoglobin.

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(A) Fetal hemoglobin $(HbF)$ consists of two alpha and two gamma polypeptide chains,whereas adult hemoglobin $(HbA)$ consists of two alpha and two beta chains.Due to its structural differences,$HbF$ has a higher affinity for oxygen compared to adult hemoglobin $(HbA)$.This higher affinity allows the fetus to effectively extract oxygen from the mother's blood across the placenta,ensuring adequate oxygen supply for fetal development.

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