Theproblemis that making them using somatic-cell nuclear transfer involves breaking up viable embryos, since the cells inquestion are found inside early-stage embryos, called blastocysts.
It's a big problem--and growing--but thequestionis what to do about it, especially since obesity isin large part a byproduct of cheaper food, more cars, greater urban sprawl, more TV and videogames, and less manual labor--all world trends that go well beyond diet plans.