which answer option best reflects the difference in oxygen binding by fetal hemoglobin versus maternal hemoglobin? please choose the correct answer from the following choices, and then select the submit answer button. answer choices there is a binding affinity difference such that fetal hemoglobin can remove oxygen from maternal hemoglobin. maternal and fetal hemoglobin can become saturated much more quickly than adult hemoglobin. maternal hemoglobin becomes fully saturated at a higher pressure than fetal hemoglobin. maternal and fetal hemoglobin can more easily pick up oxygen from the lungs.