Jef Akst | Apr 13, 2010 | 3 min read
A technique may one day prevent something that is currently unpreventable -- the transmission of mitochondrial diseases from mother to child, according to a proof-of-concept paper published online today (April 14) in Nature. Blastocyst on day 5 after fertilizationImage: Wikimedia commons, EkemThe authors swapped the nuclei from one fertilized human egg with the nuclei from another, creating an embryo with nuclear DNA from the donor egg, but mitochondrial DNA primarily from the recipient. They s