MCQOPTIONS
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MCQOPTIONS
| 1. |
Sickle cell disease is due to |
| A. | a mutation in the beta chain of Hb |
| B. | a mutation in the alpha chain of Hb |
| C. | infection with a parasite |
| D. | none of the above |
| Answer» B. a mutation in the alpha chain of Hb | |