DNA Fingerprinting

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What is DNA Fingerprinting?

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A technique used to identify individuals based on their unique DNA profiles.

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What property does gel electrophoresis use to separate DNA fragments?

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Size.

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What is the role of electrical current in gel electrophoresis?

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It helps to separate DNA fragments by moving them through a gel matrix.

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What is the purpose of DNA extraction?

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To isolate DNA from cells for analysis.

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What is Polymerase Chain Reaction (PCR)?

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A method used to amplify small segments of DNA, making millions of copies.

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What is the significance of DNA profiles in forensic science?

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They help to match DNA found at a crime scene to potential suspects.

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What does it mean if two DNA profiles match?

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It suggests that the individuals may be the same or closely related.

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What is the first step in the DNA fingerprinting process?

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DNA extraction from the sample.

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How can DNA fingerprinting be used in paternity testing?

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By comparing the DNA profiles of a child and potential parents.

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What is a restriction enzyme?

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An enzyme that cuts DNA at specific sequences, used in DNA analysis.