AP BIOLOGY

Detailed explanation-1: -Why was Dolly so important? Dolly was important because she was the first mammal to be cloned from an adult cell. Her birth proved that specialised cells could be used to create an exact copy of the animal they came from.

Detailed explanation-2: -On July 5, 1996, Dolly the sheep-the first mammal to have been successfully cloned from an adult cell-is born at the Roslin Institute in Scotland.

Detailed explanation-3: -On July 5, 1996, scientists at Scotland’s Roslin Institute announced that they had successfully cloned the first animal from an adult cell-a sheep named Dolly. Dolly was the first mammal to be successfully cloned using somatic cell nuclear transfer (SCNT) technology.

Detailed explanation-4: -Samrupa is the world’s first cloned buffalo calf. Samrupa was considered to be India’s answer for Dolly sheep which lived for seven years. However, Samrupa was infected with a lung infection after five days of its birth and died. Although India has a huge livestock population there is still shortage of feed and fodder.

Detailed explanation-5: -On 14 February 2003, Dolly was euthanised because she had a progressive lung disease and severe arthritis. A Finn Dorset such as Dolly has a life expectancy of around 11 to 12 years, but Dolly lived 6.5 years.