20 years after Dolly: Everything you always wanted to know about the cloned sheep and what came next

By George Seidel, Professor of Biomedical Sciences, Colorado State University. Well hello, Dolly. Photo courtesy of The Roslin Institute, The University of Edinburgh., CC BY-NC It’s been 20 years since scientists in Scotland told the world about Dolly the sheep, the first mammal successfully cloned from an adult body cell. What was special about Dolly is…