Cloning, Stem Cells, and Cell Replacement
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First Aired: 8/21/2006
55 minutes

Pioneering cell biologist Sir John Gurdon's ground-breaking studies in nuclear transplantation galvanized efforts to "clone" a mammal from an adult cell-a quest that in 1996 produced a healthy sheep named "Dolly." In this Hitchcock Lecture he explores the potential of stem cells. (#11507)