https://blog.wongcw.com/2020/11/22/%e7%a7%91%e5%ad%b8%e5%ae%b6%e9%96%8b%e7%99%bc%e5%87%ba%e6%96%b0crispr%e7%b3%bb%e7%b5%b1%ef%bc%9a%e8%83%bd%e6%9c%89%e9%87%9d%e5%b0%8d%e6%80%a7%e3%80%81%e6%b0%b8%e4%b9%85%e5%9c%b0%e6%ae%ba%e6%ad%bb/