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Biotech

Extinct Ibex Resurrected By Cloning 238

The Telegraph is reporting that for the first time an extinct animal has been brought back via cloning. The Pyrenean ibex, a type of mountain goat, was declared officially extinct in 2000, but thanks to preserved skin samples scientists were able to insert that DNA into eggs from domestic goats to clone a female Pyrenean ibex. While the goat didn't survive long due to lung defects this gives scientists hopes that it will be possible to resurrect extinct species from frozen tissue. "Using techniques similar to those used to clone Dolly the sheep, known as nuclear transfer, the researchers were able to transplant DNA from the tissue into eggs taken from domestic goats to create 439 embryos, of which 57 were implanted into surrogate females. Just seven of the embryos resulted in pregnancies and only one of the goats finally gave birth to a female bucardo, which died seven minutes later due to breathing difficulties, perhaps due to flaws in the DNA used to create the clone."

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