Biology - College Biology - Molecular - CRISPR and gene editing - CRISPR-Cas9: Molecular Scissors

5 steps. Step 1: 'WHAT IS IT? CRISPR-Cas9 is a gene-editing tool that can cut DNA at any specific location. Discovered from bacterial immune systems (bacteria use it to fight viruses!). Revolutionized genetics since 2012.' Step 2: 'HOW IT WORKS - Guide RNA (gRNA) is designed to match the target DNA