Which statement is correct?

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    Segments of DNA called plasmids may have given rise to bacteria.
    Segments of DNA called introns may have given rise to bacteria.
    Segments of DNA called mobile elements may have given rise to viruses.
    Segments of DNA called RNA may have given rise to vaccines.
asked May 19, 2013 in Biology by anonymous
    

1 Answer

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Segments of DNA called mobile elements may have given rise to viruses.
answered May 20, 2013 by Bioshare ~Top Expert~ (34,070 points)

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