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Posted by on Friday, November 2, 2012 at 10:56pm.

1.
Gene therapy research uses _______ to alter defective hereditary material. (1 point)

bacteria
cells
interferons
viruses

Is the answer viruses? Or maybe its cells?

  • 7th grade science Ms. Sue pleae only 1 question - , Friday, November 2, 2012 at 11:00pm

    cells

  • 7th grade science Ms. Sue pleae only 1 question - , Friday, November 2, 2012 at 11:03pm

    thanks!

  • 7th grade science Ms. Sue pleae only 1 question - , Sunday, November 4, 2012 at 7:26pm

    thanks but actually it was viruses

  • 7th grade science Ms. Sue pleae only 1 question - , Wednesday, November 14, 2012 at 12:57pm

    you duh you duh

  • 7th grade science Ms. Sue pleae only 1 question - , Monday, November 26, 2012 at 2:22pm

    fdf

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