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Agarose Gel Electrophoresis

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  • 1. Multiple Choice
    2 minutes
    1 pt
    DNA fingerprinting works because
    Most genes are dominant
    All organisms contain RNA
    The most important genes are different among most people
    No two people, except identical twins, have exactly the same DNA 
  • 2. Multiple Choice
    30 seconds
    1 pt
    What is the purpose of gel electrophoresis?
    helps cut DNA
    count the genes in DNA
    separates DNA based on size
    allows for an exact replicated organism
  • 3. Multiple Choice
    1 minute
    1 pt
    Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode?
    DNA is negatively charged so attracted to the positive end of the unit
    DNA is positively charged to attracted to the negative end of the unit
    the agarose gel in negatively charged
    the agarose gel is positively charged
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