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Image: Platypus' wacky genome a window to evolution / Quirks include 10 chromosomes instead of usual two, X and Y, to determine sex

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Platypus' wacky genome a window to evolution / Quirks include 10 chromosomes instead of usual two,…

May 9, 2008 - When British naturalist George Shaw received a weird specimen from Australia in 1799 - one with a mole's fur, a duck's bill and spurs on its rear legs - he did what any skeptical scientist would do: He looked for the...

» Full Story on San Francisco Chronicle