Contact: Dr. Y. Frank Chan
chan@evolbio.mpg.de
49-045-227-63283
Max-Planck-Gesellschaft

Mighty Mouse

Caption: One giant mouse weighs more than six 'mini-mice' of the same age. The biggest mice in the world evolved through targeted breeding over many generations. Scientists can use these animals to identify the genes responsible for body growth.

Credit: Lutz Bunger, University of Edinburgh

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Related news release: Repeat act: Parallel selection tweaks many of the same genes to make big and heavy mice