22 févr. 1997 - cloning of the Dolly sheep
Description:
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.Ajouté au bande de temps:
Date:
22 févr. 1997
Maintenaint
~ Il y a 28 ans