Studies of oxygen transport in pregnant mammals show that the o2-saturation curves of fetal (hbf) and maternal (hba) hemoglobin are markedly different when measured under the same conditions. which hemoglobin has a higher affinity for o2 at the tissue po2 of around 4 kpa?

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Biology

Jamie Arnold

15 April, 13:52

Studies of oxygen transport in pregnant mammals show that the o2-saturation curves of fetal (hbf) and maternal (hba) hemoglobin are markedly different when measured under the same conditions. which hemoglobin has a higher affinity for o2 at the tissue po2 of around 4 kpa?

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Antony Anderson · Answer 1

The hemoglobin which has the highest affinity for o2 at the tissue po2 of around 4 kpa is the one with a higher percentage. The higher affinity of HbF allows oxygen to flow from mother to baby. fetal blood reaches saturation when the O₂ affinity of HbA is low.