AQA 6mark question Jan 10

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  • Created by: Jenny
  • Created on: 02-06-13 11:30
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  • Describe how comparisons of biological molecules in these two species could be used to find out if they are closely related
    • compare DNA
      • Sequence of bases
    • DNA hybridisation
      • Separate DNA by breaking hydrogen bonds
      • Mix DNA of different species
      • Temperature is required to separate hybrid strands  indicates relationship
    • Compare same proteins
    • Sequence of amino acid


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