Set 2: Command of Evidence (Advanced)

Explanation

Answer: A

PASSAGE

CRISPR allows precise gene editing. However, off-target effects (unintended edits) remain a concern. Recent studies show improved guide RNA designs reduce off-target rates.

What challenge does CRISPR still face?

A. It cannot edit genes.✓ Correct

B. Unintended edits elsewhere in the genome.

C. It is too expensive to produce.

D. Guide RNAs don't work.

Detailed Explanation

'Off-target effects (unintended edits) remain a concern. '

Why others are wrong:

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Set 2: Command of Evidence (Advanced)

Detailed Explanation