Link: Embryos created with DNA from 3 people
(AP News, 1 hour, 20 minutes ago)
LONDON - British scientists say they have created human embryos containing DNA from two women and a man in a procedure that researchers hope might be used one day to produce embryos free of inherited diseases...
The process aims to create healthy embryos for couples to avoid passing on genes carrying diseases.
The genes being replaced are the mitochondria, a cell's energy source, which are contained outside the nucleus in a normal female egg. Mistakes in the mitochondria's genetic code can result in serious diseases like muscular dystrophy, epilepsy, strokes and mental retardation.
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