GM mouse on hand close-up, masked face in background 2
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File name: mouse 2-CC.jpg
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GM mouse photographed in a UK animal research establishment in 2000. Mice are the most commonly used mammals in medical research. Please acknowledge © Understanding Animal Research/Wellcome Images.
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Mice are the most commonly used mammals in medical research, accounting for around 70% of all procedures. More than 98% of human genes have equivalents in mice, one reason they are widely used in research into genetic conditions. Genetically modified and mutant mice account for nearly half of animals used in medical research.



