U.K. Government Plans to Allow Mitochondrial Replacement - new invitro fertilization

The U.K. government is moving toward allowing a new type of in vitro fertilization that would enable patients with mitochondrial diseases to avoid passing the condition to their children. The technique is controversial, because it involves introducing new DNA into a human embryo.
http://news.sciencemag.org/scienceinsider/2013/06/-uk-government-plans-…