fot. Sgerbic / (CC BY-SA 4.)

Dolly sheep – domestic sheep, is the first animal in the world cloned from somatic cells of an adult individual by means of cell nucleus transfer.

This was done by scientists from the Roslin Institute in Scotland (Ian Wilmut and Keith Campbell and their team).

Dolly the sheep was born on July 5, 1996 and lived over 6.5 years (until February 14, 2003).

Dolly sheep interesting facts

1. Dolly the sheep had 3 mothers: one provided an egg, one provided DNA, the third gave birth to a cloned embryo.

2. She grew up together with a Welsh mountain ram. She gave birth to 6 lambs.

3. The disease that killed Dolly the sheep had nothing to do with cloning.

4. In 1996, 277 attempts were made to clone sheep. Only Dolly survived to adulthood.

5. The existence of Dolly the sheep was announced to the public on February 22, 1997. She immediately became the most famous sheep in the world.

Added: Mati

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Dolly sheep questions and answers

Where did the name Dolly come from?

They named the sheep after the American country music singer Dolly Parton.

Answer: Mati

What caused Dolly the sheep to die?

Dolly the sheep was put to sleep due to progressive lung disease.

Answer: Mati

Dolly the sheep was the first animal cloned?

There have been previous successful cloning attempts, but Dolly the sheep was the first to be cloned from an adult cell.

Answer: Mati

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