Which was the first successfully cloned mammal that gained world-wide popularity?
Dolly, a sheep
Dolly (5 July 1996 – 14 February 2003) was a female domestic sheep, and the first mammal to be cloned from an adult somatic cell, using the process of nuclear transfer. She was cloned by Ian Wilmut, Keith Campbell and colleagues at the Roslin Institute, part of the University of Edinburgh, and the biotechnology company PPL Therapeutics near Edinburgh in Scotland, the United Kingdom.