Editing the Genome

Over the last four years, scientists have discovered a simple and powerful method for altering genes. This will have massive implications for all of us as it raises the possibility of easily changing the genetic code in animals, plants and ourselves. The potential for good is enormous. The ethical challenges are profound. Professor Matthew Cobb explores the brave new world of CRISPR gene editing.

Producer: Andrew Luck-Baker

Image: Model of human DNA strand, BBC Copyright