crisscrossing Science

Episode XXXIV: Jumping Genes, the Barbara McClintock story


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In this episode, Chris and Mike discuss the phenomenon of transposable elements of DNA, previously known as jumping genes.  It had previously been believed that DNA served as the mostly stable blueprints upon which RNA and then proteins could be formed.  However, by studying the statistics of how often traits were passed to offspring in corn, Barbara McClintock was able to discover that DNA is actually somewhat active as well.  We now know that DNA will switch places in the chromosome and that some segments will actually replicate themselves.
We have a live recording coming up on December 7 at the Lucky Lab Brew Pub on Hawthorne in Portland, OR.  Tickets are only $15, which includes a meal and a drink ticket.  During the show, we will be answering audience questions, so come join the fun.  Tickets can be found at http://www.linfield.edu/alumni/alumni-events/pubs-and-profs.html
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crisscrossing ScienceBy Michael Crosser & Chad Tillberg

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