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Shadow of a DNA double helix on sequencing output

DNA analysis

DNA double helix and sequencing output

DNA sequencing autoradiograph showing the researcher's annotations.

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.

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DNA sequencing

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Shadow of a DNA double helix on sequencing output

DNA analysis

DNA sequencing autoradiograph showing the researcher's annotations.

DNA double helix and sequencing output