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

If you were old enough to watch the news or read the paper back in the late 1990s, you very likely remember Dolly, the cloned ...

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

Dolly the sheep was the world’s first cloned mammal in 1996. Her death at a comparatively young age raised concerns that cloned animals may age more quickly, or make them less healthy ...

To shed light on the issue, University of Nottingham developmental biologist Kevin Sinclair and a team of veterinarians undertook a new analysis of Dolly’s skeleton, comparing it with the bones of her ...

Twenty-four years after Dolly the sheep — the first mammal to ever be successfully cloned from an adult cell — was born in Scotland, business is booming for pet cloning in the United States.

The study by Professor Ian Wilmut, leader of the team that cloned Dolly the Sheep, suggests the animals are all genetically or physically abnormal, even if they appear healthy. Problems that have ...

I’m sure everyone has heard about Dolly, the sheep that was cloned a few years ago. It raised a lot of discussion and ...

In 1958, John Gurdon successfully cloned a frog using nuclear transfer, demonstrating that the genetic material from a differentiated cell could be reprogrammed to create an entire organism. However, ...

The four sheep cloned from Dolly’s cell line did not suffer the same bad health as their sister, Dolly. Sheep live an average of 10 to 12 years, and these four — Daisy, Diana, Debbie, and ...