★ CRISPR and Sickle-Cell Disease Quiz
What is the role of the Cas9 enzyme in the exa-cel therapy?
A. To cut both strands of DNA
B. To guide the enzyme to the target stretch of DNA
C. To stitch the DNA strands back together
D. To disable the BCL11A gene
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What is the purpose of the exa-cel therapy in sickle-cell disease?
A. To cure sickle-cell disease
B. To alleviate pain caused by sickle-cell disease
C. To increase the production of fetal haemoglobin
D. To prevent vaso-occlusive crises
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