LIFE SCIENCE

Detailed explanation-1: -Dolly, born in July 1996, was created when Ian Wilmut, Keith Campbell, and their colleagues inserted the nucleus of a mammary cell taken from a 6-year-old ewe into an egg cell from which the nucleus had been removed.

Detailed explanation-2: -The lamb cloned from the udder cell was the first example of an animal cloned from an adult cell and although only referred to as “6LL3” in the Nature paper, she was later named Dolly, after the singer Dolly Parton.

Detailed explanation-3: -Dolly, female Finn Dorset sheep that lived from 1996 to 2003, the first clone of an adult mammal, produced by British developmental biologist Ian Wilmut and colleagues of the Roslin Institute, near Edinburgh, Scotland.