Word: cloninger
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In the year and a half since Scottish embryologist Ian Wilmut presented Dolly, the cloned sheep, to an astonished world, ethicists and policymakers have been struggling with the unsettling implications of his research. Could scientists use Wilmut's method to clone not just sheep but also billionaires, basketball players and...
For reproductive biologists, these issues pale in the face of two more immediate and practical questions: Is Dolly really a clone--and if so, can anybody make one? It's taken a while, but the answers are finally in. The verdict, according to a trio of reports in the current...
Differentiated cells, by contrast, have already become specialized, with some genes turned on and some turned off, making them into breast or liver or pancreas cells. Although a differentiated cell still contains all the genetic information needed to create a whole new creature, much of that information is suppressed. Nobody...
Still, Dolly would be just a laboratory curiosity if no one could repeat Wilmut's breakthrough. And that's where Teruhiko Wakayama comes in. He's a 31-year-old Japanese postdoctoral student who was studying cloning as a hobby at the University of Hawaii, where his lab director, Ryuzo...
Conceding defeat in the clone wars, James admitted that ProBio's microinjection method of cloning was "quite a bit more efficient" than the method used to create Dolly. The famous sheep, after all, was born only after 287 failed attempts at stimulating embryos. By contrast, scientists at Honolulu made cloning...