National Geographic's Genographic Project is mapping hundreds of thousands of DNA samples to develop a comprehensive family tree of the human race. Computer scientist Eric Colburn and geneticist Alana McKinsey join the project while continuing their colle

The Y Factor 2009, Realms

ISBN-13: 9781599796239

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The y Factor 2007, OakTara Publishers

ISBN-13: 9781602900509

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