Colossal Biosciences Gene-Edited Woolly Mouse

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Wired

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Science

Scientists Just Created a ‘Woolly Mouse’ With Mammoth-Like Fur

Summary

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Colossal Biosciences has gene-edited mice to have mammoth-like features, creating what the company calls the Colossal Woolly Mouse .

The mice were edited at multiple points to change their fur so it was longer, frizzier, and more golden than that of normal lab mice.

Some of the mice also had edits to a gene involved in the metabolism of fatty acids, which should change how the animals store fat.

The experiment raises questions about which gene edits qualify to make a mouse, or an Asian elephant, truly mammoth.

The bigger question—for him at least—is whether it is worthwhile trying to recreate the woolly mammoth at all. One of Colossal ’s main arguments for de-extinction is that by reintroducing creatures that mimic extinct animals they can help restore ecosystems to the way they were before those animals went extinct. Lynch says there is no guarantee that things would work out that way in reality. “You don’t know that is true,” he says..

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informal

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English

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not hateful