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 ...

The concept of cloning pets has stepped off the big screen into reality. Making a genetic replica of your precious dog or cat ...

The death of Dolly the sheep, the first animal to be cloned from an adult cell, has sparked renewed fears over the safety of cloning techniques. The Roslin Institute announced the decision was ...

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 finding “is important . . . because Dolly was under the magnifying glass for a very long time,” Dietrich Egli, a developmental cell biologist at Columbia University who was not involved in the ...

Dire wolves, made famous by HBO's Game of Thrones, have been extinct for around 12,500 years. But thanks to genetic engineers at biotech company Colossal Biosciences, these majestic predators are back ...

How is it that your body with all of its specialized organs developed from a single cell? Scientists are exploring how gene expression patterns and their timing regulate cell differentiation.

Geron Corp (Menlo Park, CA) announced the issuance of two patents by the UK Patent Office covering the nuclear transfer technology used to produce Dolly the sheep, the first animal cloned from an ...