In the 1980's, University of Utah geneticist Mario Capecchi devloped gene targeting technology, which allows scientists to tailor mutation in specific genes. Researchers around the world use it to manipulate mouse DNA. With this tool, scientists at the Unviersity of Utah have recently created a mouse with a deadly form of childhood muscle cancer. Sheri Quinn reports on how this new mouse model might help fight the disease. This is Part 3 of a 5-part series.
National Public Radio (NPR) 01/12/05.
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