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6300 Microbiology

A pregnant woman is able to transfer oxygen to her fetus because fetal hemoglobin has a greater affinity for oxygen than does adult hemoglobin. Why is the affinity of fetal hemoglobin for oxygen higher

AThe oxygen-binding curve of fetal hemoglobin is shifted to the right.
BFetal hemoglobin binds 2,3-BPG with fewer ionic bonds than the adult form.
CThere is less 2,3-BPG in the fetal circulation as compared to maternal circulation
DThe tense form of hemoglobin is more prevalent in the circulation of the fetus
Microbiology
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