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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. 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 .
Polly and Molly, like Dolly the Sheep, were cloned at the Roslin Institute in Edinburgh, Scotland. The creation of Polly and Molly built on the somatic nuclear transfer experiments that led to the cloning of Dolly the Sheep. The crucial difference was that in creating Polly and Molly, scientists used cells into which a new gene had been inserted.
It is used in both therapeutic and reproductive cloning. In 1996, Dolly the sheep became famous for being the first successful case of the reproductive cloning of a mammal. [1] In January 2018, a team of scientists in Shanghai announced the successful cloning of two female crab-eating macaques (named Zhong Zhong and Hua Hua) from foetal nuclei. [2]
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 ...
In 1996, a team led by Ian Wilmut with Keith Campbell as the main contributor, used the same technique and shocked the world by successfully cloning a sheep from adult mammary cells. Dolly, a Finn Dorset sheep named after the singer Dolly Parton , was born in 1996 and lived to be six years old (dying from a viral infection and not old age, as ...
In 1996, the institute won international fame when Ian Wilmut, Keith Campbell, and their colleagues created Dolly the sheep, the first mammal to be successfully cloned from an adult cell, at the institute. [13] [14] [15] A year later, two other sheep named Polly and Molly were cloned, each of which contained a human gene.
With the cloning of a sheep known as Dolly in 1996 by somatic cell nuclear transfer (SCNT), the idea of human cloning became a hot debate topic. [5] Many nations outlawed it, while a few scientists promised to make a clone within the next few years. The first hybrid human clone was created in November 1998, by Advanced Cell Technology.
Federal prosecutors said creating hybrid animals is "unnatural," yet the practice is common in the game industry.