In the wake of the announcement in China last November of the first ‘CRISPR babies’, Prof. Bartha Knoppers and researcher Erika Kleiderman from 9IÖÆ×÷³§Ãâ·Ñ’s Centre of Genomics and Policy (CGP) have published a commentary article in the Canadian Medical Association Journal on the use of CRISPR gene-editing techniques.