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ScienceCast: Flowering Plants and Ancient Gene Duplications

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The evolution and diversification of the more than 300,000 living species of flowering plants may have been "jump started" much earlier than previously calculated. According to Claude dePamphilis, a professor of biology at Penn State University and the lead author of the study, two major upheavals in the plant genome occurred hundreds of millions of years ago -- nearly 200 million years earlier than the events that other research groups had described. (12 May 2011)

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