- If the new technique gets the go-ahead only a tiny amount of DNA in a cell will be changed
- The part that determines individual characteristics such as facial features and eye colour, will remain intact
- But the defective DNA will be replaced by a healthy version supplied by a female donor, making them the third genetic parent
More top news
Edward Majerczyk accessed private information including nude photos from 30 celebrity accounts.
The President of the United States is set to restrict immigrants from Syria and six other Middle Eastern or African countries, aides say.
MPs say there is a "severe conflict of interest" in F1's sale to Liberty Media after it emerged the governing body benefited from the deal.