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Explain the role that restriction enzymes and gel electrophoresis play in DNA profiling.

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Restriction enzymes are used in DNA profiling because they cleave DNA molecules at or near a specific sequence of bases that are called restriction sites. Gel electrophoresis is a method of separating DNA and RNA and proteins based on molecular sizes. It works by pushing the molecules with an electric field through a gel that has pores that separates them.
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