

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. | |