First Successfully Cloned Mammal Dolly the Sheep

Cloned from tissue of 6 year old ewe’s udder

First Successfully Cloned Mammal Dolly the Sheep

Dolly the sheep becomes first successfully cloned mammal on July 5, 1996. Dolly was successfully cloned from an adult cell and was born at the Roslin Institute in Scotland. The Sheep was cloned from tissue taken from a 6 year old ewe’s udder. She was cone-named ‘6LL3’. The name was assigned after singer and actress Dolly Parton.

Dolly’s birth was not publicly revealed until February 1997 as it was to a storm of controversy. Many argued that cloning technology can lead to huge advancement in medicine while some also argued that new cloning technology could be unsafe and unethical, especially when it was applied to what many saw as the logical next step: human cloning.

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