Monday, February 24, 1997
Researchers from the Roslin Institute in Edinburgh, Scotland, broke an
embargo this weekend to disclose that they have successfully cloned a sheep from an adult
cell, something that many researchers had believed couldn't be done. The research was to
be disclosed in Nature later this week.
The work builds on previous efforts by the scientists. Last March,
Roslin researchers reported that they had successfully cloned sheep by transferring the
nuclei from cultured cells taken from sheep embryos into oocytes