Physiology Fatal hemoglobin has all the following characteristic features except A Strong affinity for 2, 3-DPG B Oxygen dissociation curve is shifted to left C At low fetal PO2 gives up more oxygen to tissues that adult haemoglobin D Forms 80% of haemoglobin at bih 💡 Explanation Fatal hemoglobin has all the following characteristic features except ✓ Correct Answer: A. Strong affinity for 2, 3-DPG