Mitochondrial donation. These two words are poised to create a firestorm of controversy around the world, as some governments are considering allowing parents who use in-vitro techniques to have children, to allow mitochondrial DNA from a third donor to replace some of the existing mitochondrial DNA in the egg. Based on a procedure called cytoplasmic transfer pioneered in the 1990s, the method is intended to prevent the passing on of inherited and incurable diseases through mitochondrial DNA, which is carried from mother to child.
But naturally, when most people hear anything about this, they picture Khan:
And they predictably freak out. Are we at the doorstep of the long-feared eugenics program? Continue reading