Comparing DNA - PowerPoint PPT Presentation

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Comparing DNA

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Gel Electrophoresis is used to compare the similarity of DNA ... Restriction Enzymes. Comparing DNA using gel electrophoresis ... – PowerPoint PPT presentation

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Title: Comparing DNA


1
Comparing DNA
  • Aim How can we compare organisms using gel
    electrophoresis?
  • Do Now Write two observations from your results
    of gel electrophoresis.

2
Gel Electrophoresis is used to compare the
similarity of DNA
  • DNA is cut into fragments (pieces) using
    Restriction Enzymes
  • These different sized fragments are placed into
    wells (holes) along the top of the gel
  • An electric current is sent through the gel
  • The fragments of DNA move down the gel
  • Large fragments stay at the top, small fragments
    go to the bottom
  • Compare the band pattern to find similarities

3
Gel Electrophoresis is used to compare the
similarity of DNA
  • Research method of separating molecules (DNA,
    protein, RNA) through a gel by their physical and
    chemical properties.

4
Restriction Enzymes
5
Comparing DNA using gel electrophoresis
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