PYQ NEET- Breathing And Exchange Of Gases 2 L-5
Question: The haemoglobin of a human foetus (NEET - 2008)
A) has a lower affinity for oxygen than that of the adult
B) its affinity for oxygen is the same as that of an adult
C) has only 2 protein subunits instead of 4
D) has a higher affinity for oxygen than that of an adult