Word: cloninger
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From the people that brought you Dolly the Sheep and the people that brought you 50 cloned mice comes a new project: genetically engineered pigs. PPL Therapeutics in Edinburgh, Scotland, is teaming up with ProBio America for the potentially lucrative purpose of cloning pigs for animal-to-human transplants. "We...
The vestibule of this new millennium continues to have intruders that TIME tries to wrestle into moral and historical context. The digital age, for example, has brought not only the excitement of more democratic forms of media but also the specter of invasions of our privacy and the spread of...
So does that mean all the cloning hoopla Dolly set off was for naught? Not quite. What Wilmut is conceding is that Dolly's mom--or should we say her twin sister?--probably had some fetal cells circulating in her bloodstream, and that one of these fetal cells could conceivably...
Meanwhile, scientists trying to make another Dolly--or her bovine equivalent--have come intriguingly close. For example, James Robl, at the University of Massachusetts in Amherst, and his colleague Steven Stice have succeeded in cloning calf embryos from adult cells taken from a big, hoofed cow leg supplied by a...
Why should cloning an adult cell be so hard? The cell-cloning technique scientists use offers some clues. Typically, the nucleus of the donor cell, whether fetal or full grown, is transferred to an unfertilized egg from which the nucleus has been removed. In mysterious ways scientists still do not...