... binds to the DNA molecules, allowing them to be viewed under ultra violet light, and a photograph of the gel to be taken. The dye used is ethidium bromide. The information collected is used to determine the fragment size of the DNA, using a molecular weight standard. The data shows, a good example of problems, which can arise from using the electrophsis process, so a reference sample was used, which consist of seven different sized segments of DNA. Both samples of DNA, taken from the organism, Carbamylase. It is not possible to determine any information from the group sample. The reference sample shows seven fragments of DNA, cut by the restriction enzyme. Lane one is a stand molecter weight. The data shows the seven fragments very from 0.99Kb, and travelled through the gel between 70 to78mm. AIM To determine the size of a number of DNA fragments, using electrophsis. RISK ASSESSMENT. There are two ...

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