for checking sizes of DNA fragments. DNA, being negatively charged, migrates toward the positive electrode, with smaller fragments migrating faster. The lengths of unknown pieces are estimated via comparison to standards of known length. In your case, you will run a gel to confirm that you got a PCR product of about 400 base pairs. • DNA sequencing. The basic strategy of modern sequencing techniques was invented by Frederick Sanger, who won a Nobel Prize for this work in 1980. We will learn…
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