Will we rue letting genie out of bottle with gene therapy to make babies?

RAPID advances in human fertility treatment and the penchant of some scientists to push the envelope are creating ethical dilemmas among policymakers around the world.

Earlier this year, a Greek woman gave birth to a boy through a treatment that combined the DNA from three people.

He is not the first of his kind but what made his birth a talking point was that his mother was not trying to stop the transmission of defective DNA to her child. Instead, he is a product of infertility treatment. To understand the difference, let's back up a little.