22 feb 1997 año - cloning of the Dolly sheep
Descripción:
It was the first mammal cloned from an adult cell. Its creators were the scientists of the Roslin Institute in Edinburgh (Scotland), Ian Wilmut and Keith Campbell. His birth was not announced until seven months later, on February 22, 1997.Añadido al timeline:
fecha:
22 feb 1997 año
Ahora mismo
~ 28 years ago