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use the following information to answer the next few questions. a group of six students has taken samples of their own cheek cells, purified the dna, and used a restriction enzyme known to cut at zero, one, or two sites in a particular gene of interest. their next two steps, in order, should be

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Gel electrophoresis is a technique used to separate DNA fragments by size and charge.

DNA fragments can be divided via gel electrophoresis based on their size and charge. The process of electrophoresis includes running a current through a gel that contains the targeted molecules. The molecules will migrate through the gel in various directions or at various rates to separate from one another depending on their size and load. The charge per mass of every DNA molecule is the same. Gel electrophoresis can only distinguish between DNA fragments of different sizes as a result. We can count the number of different DNA fragments in a sample and estimate their relative sizes by using electrophoresis. By comparing a DNA fragment's size to a "scale" of known-size DNA pieces, its exact size can be ascertained. This study may be carried out to determine which students have specific alleles.

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