13383 - Dolly's Story: Cloning the First Mammal

"Dolly clone". Squidonius. 04/12/2008. Wikimedia Commons. Public Domain.
"Somatic Cell Nuclear Transfer (SCNT) Video". RepressedGeek. 10/30/2008. YouTube. Terms of Service.
"The Story of Dolly the Cloned Sheep | Retro Report | The New York Times". The New York Times. 10/14/2013. YouTube. Terms of Service.

Sources