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  • Dolly (5 July 1996 – 14 February 2003) was a female Finn-Dorset sheep and the first mammal that was cloned from an adult somatic cell. 

  • Initially referred to as “6LL3” in the academic paper describing the work, the lamb was later named Dolly, after the singer Dolly Parton.

  • She was cloned by associates of the Roslin Institute in Scotland, using the process of nuclear transfer from a cell taken from a mammary gland. 

  • Her cloning proved that a cloned organism could be produced from a mature cell from a specific body part.

  • The successful cloning of Dolly led to widespread advancements within stem cell research, including the discovery of induced pluripotent stem cells.

  • She was euthanized at the age of six years due to a progressive lung disease. 

  • No cause which linked the disease to her cloning was found.

  • Dolly was cloned by Keith Campbell, Ian Wilmut and colleagues at the Roslin Institute.

Why it is in news?

  • Ian Wilmut, the cloning pioneer whose work was critical to the creation of Dolly the Sheep in 1996, has died.

  • Wilmut set off a global discussion about the ethics of cloning when he announced that his team at the university's Roslin Institute for animal biosciences had cloned a lamb using the nucleus of a cell from an adult sheep.

  • Wilmut, a trained embryologist, later focused on using cloning techniques to make stem cells that could be used in regenerative medicine. 

  • His work was critical to research that aims to treat genetic and degenerative diseases by helping the body repair damaged tissue.



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Dolly UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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