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  • Shadow of a DNA double helix on sequencing output
  • Genetics frame of reference - the size of various genetic components, including DNA, a base pair, various sizes of deletions, chromosomes and genes are listed and compared with more familiar objects such as the Solar System, planets, cities, hospitals, wards, and so on.
  • DNA double helix and sequencing output
  • DNA sequencing autoradiograph showing the researcher's annotations.
  • DNA double helix
  • DNA double helix and sequencing output
  • DNA double helix
  • DNA double helix
  • DNA double helix and sequencing output
  • DNA double helix and sequencing output
  • DNA sequencing. This method of DNA sequencing is called di-deoxy sequencing. It is used to determine the order of bases (A,C,G and T) in a piece of DNA using radioactively-labelled modified nucleotides. They are then separated by electrophoresis in a polyacrylamide gel and detected on x-ray film by a process called autoradiography.
  • DNA double helix and sequencing output