Assertion [A]: Patients suffering from sickle cell anaemia have RBCs looked like sickle shape.
Reason [R]: Sickle cell anaemia occurs due to the substitution of glutamic acid by valine at 6th position of β-chain of haemoglobin.
- A is True and R is False
- Both A and R are true but R is not a correct explanation to A
- R is True and A is False
- Both A and R are true and R is a correct explanation for A