15. CRISPR/Cas9 is a powerful gene-editing tool. Which of the following genetic edits can be performed with CRISPR/Cas9?
(A) Disrupting the original DNA sequence and causing gene inactivation.
(B) Deleting a larger fragment of DNA sequence.
(C) Correcting or inserting a gene.
(D) All of the above.

1. 題目解析 CRISPR/Cas9...