MCQOPTIONS
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| 1. |
Which of these are the possible cause of sickle cell anemia with respect to hemoglobin: |
| A. | Defect in β-chain of hemoglobin |
| B. | Defect in α-chain of hemoglobin |
| C. | One copy of an abnormal β-globin gene |
| D. | Two copies of an abnormal β-globin gene |
| Answer» E. | |