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    • Model of a stretch of DNA approximately 12 base pairs in length.
    Rights: Wellcome Creative Commons ShareAlike 2.0 Published 28 June 2011 Size: 54 KB Referencing Hub media

    This picture shows a model of a stretch of DNA approximately 12 base pairs in length. In reality, a piece of DNA can be millions of base pairs long.

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      ARTICLE

      Alternative conceptions about genetics

      These are some common student misunderstandings about genetics based on education research. Keep them in mind while teaching – and address them as they come up. Genes and DNA are separate things ...

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      2. ARTICLE

      Family tree geography goes genetic

      A large international team of researchers from National Geographic's global Genographic Project has shown for the first time that DNA can be used to trace modern humans to their geographical ...

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      3. ARTICLE

      DNA, chromosomes and gene expression

      We hear about DNA all the time, whether it’s in a news story or the latest crime show on TV. But what exactly is DNA? Where is it found? Why is it important? To answer these questions, we need to ...

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