The first baby has been born using a new method that combines DNA from three people . In theory, there are a few ways of doing this. The " revolutionary " method allows parents with rare genetic disorders to give birth to healthy children by replacing the nucleus in a healthy donor egg with the nucleus from the mothers egg . The procedure , which has only been legally approved in the UK , is expected to fast - forward progress around the world .
The first baby has been born using a new method that combines DNA from three people . The " revolutionary " method allows parents with rare genetic disorders to give birth to healthy children by replacing the nucleus in a healthy donor egg with the nucleus from the mothers egg . The procedure , which has only been legally approved in the UK , is expected to fast - forward progress around the world .