Biology and genetics are terribly, terribly complex. To begin with, you are a lot more than just you. There are roughly ten times as many bacteria cells in the human body as there are human cells ...

Is human genetic modification simply a taboo for the present, or a moral quandary that spans changes in culture and time, asks Stephanie Saulter, author of the new novel "Gemsigns." ...

That could leave many genetically modified crops unregulated — a worry for those who fear environmental and safety risks or who believe that government vetting is key for broad public acceptance.

GM Freeze, an umbrella group of charities and other organisations seeking to highlight concerns about the impact of genetic modification, argues that not enough is known about gene editing.