CNN CNN Newsroom February 26, 2014 19:03:00
Healthy cells before fertilization. this procedure is called three-parent ivf. if there is a problem with what's called the mitochondrial dna, doctors take out the egg's n nucleus and moves it to a donor egg. this is an egg that is a much healthier mitochondrial dna. the enhanced egg free of problematic dna can be fertilized by the father's sperm. are you with me? the embryo would be implanted back into the mother. let's talk about why maybe people should be frightened and maybe people should be excited. president of the council for responsibility genetics and director of the division of repro...