Which of the modification in hemoglobin is the cause of sickle cell an – McqOptions

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1.	Which of the modification in hemoglobin is the cause of sickle cell anemia?
A.	A deletion in the beta chain
B.	A mutation in the beta chain
C.	None of the above
D.	Replacement of the B chain by D chain
Answer» C. None of the above

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