The Story of Dolly the Sheep – First Cloned Mammal Ever

How to Create a Sheep

The researchers decided to collect an adult cell from a six-year-old white sheep. They obtained a cell from the mammary gland and isolated the nucleus form that cell. Then they placed the nucleus into an egg cell which was derived from a Scottish Black-faced female sheep.

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(Photo by Louisa Buller – PA Images/PA Images via Getty Images)

The egg cell was unfertilized, and the nucleus of the cell was removed only to be replaced by the nucleus collected from the adult cell. Then the scientists fused the newly formed cell, and with the electric shock, they managed to commence the process of dividing which led to creating the Blastocyst. Then, they put the Embryo into another Scottish Black-faced female sheep. Easy.

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