De-extinction startup Colossal Biosciences has gene-edited mice to have mammoth-like features, creating what the company calls the Colossal Woolly Mouse. The lab mice, which have been modified to ...

Colossal said its woolly mouse would enable its scientists to test ... in order to produce mice with golden hair rather than the usual dark fur and a variant associated with changes in body ...

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AP The resulting woolly mice are about the same size as their unmodified counterparts, but with an unmistakable flaxen coat of thick fur resembling ... modified fertilized mouse eggs and others ...

For testing purposes, the mouse also has a very significant advantage: mutations that change its fur are easy to spot. Over the century-plus that we've been using mice for research, people have ...

Its evidence: genetically engineering mice to have mammoth-like fur. To engineer the woolly mouse, the company’s scientists found mouse versions of mammoth genes and then used CRISPR to edit ...

Credit: Colossal Laboratories and Biosciences The woolly mouse's fluffy fur isn't the only alteration Colossal made. Genes associated with body weight and fat metabolism have also been edited in ...