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I. Describe one DNA extraction method. In your description compare and contrast the method you chose...

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Biology

I. Describe one DNA extraction method. In your descriptioncompare and contrast the method you chose with the other DNAextraction methods. Additionally, describe what types of forensicsamples are better suited for this type of extraction and why.a)Given the three types of DNA techniques (STR, mtDNA, and Y-STRs)briefly compare and contrast all of them and in your opinion statewhy you believe one to be better than the other. YOU MUST SUPPORTYOUR ANSWER WITH AN EXAMPLE (REAL OR MADE-UP).

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DNA can be extracted in many ways organic variations of phenolchloroform inorganic chelex or silica method solid phase extraction methods differential extractions In organic extraction the cells must be lysed using gentle heat to disrupt the membranes with the assistance of SDSsodium dodecyll sulfate and DTTdithiothreitol Proteinase K must be added to digest the proteins including nucleases In the second step of the extraction the DNA must be separated from the other cellular components using the phenolchloroformisoamyl alcohol PCIA reagent When the PCIA is added 2 phases appear the organic bottom and the aqueous DNAcontaining phase top after centrifugation The DNA containing portion is removed by pipetting of    See Answer
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