Why does fetal haemoglobin have a higher affinity for oxygen than an adult haemoglobin?

In order to survive. By the time the blood reaches the placenta there is a lower concentration of oxygen in the blood, the fetal haemoglobin has a higher affinity for oxygen so that the hb can bind to oxygen at the lower partial pressures of oxygen in the mothers blood. Hence to facilitate the transfer of oxygen from the mothers blood and to the developing fetus.   

Answered by Eden S. Biology tutor

40435 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

It has been suggested that smoking, an epigenetic factor can lead to tumour growth and cancer. Use your knowledge of the epigenome and its structure to explain how this could occur. [5 marks]


How does water travel up the stem of a plant from the roots to the leaves, wouldn't gravity prevent this?


What is meant by the term "degenerate" when describing DNA? Why does it occur and what are its implications for protein structure?


1 a) Please label the following diagram of the respiratory system. b) Describe the role of the diaphragm in the mechanism of breathing.


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences