Dolly’s claim to fame was that she was the very first mammal to be successfully cloned from a single adult sheep cell. Before this, scientists did not know cloning in this manner could result in a ...

While some feared Dolly’s early death meant that cloned animals would suffer from disease leading to early death, The Roslin Institute cloned four other sheep from the same line. These four ...

The scientific breakthrough, announced on this day in 1997, proved that geneticists could clone an adult mammal, giving rise ...

February 22 saw a big scientific breakthrough with the successful cloning of a mammal for the first time in 1997. Dolly was ...

Building on their prior work of introducing new genes into animals, the team ventured into the realm of cloning. Dolly’s creation involved transferring a single adult sheep cell into an empty eggshell ...

The sheep was born in Scotland at the Roslin Institute in February 1996. The announcement of Dolly’s birth was met with criticism about cloning and the role that humans were taking in animal ...

Dolly died of an infection at 7 years old, which is considered young for a sheep. She was reported to show signs of severe arthritis in her knees at the time of her death, which raised suspicion ...

The European Union assembly on Tuesday tightened a 2013 proposal by EU regulators that would provisionally prohibit the cloning of some animals -- cattle, pigs, sheep, goats and horses -- and the ...