NC EOC Review: DNA Fingerprinting & Gel Electrophoresis

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What is Gel Electrophoresis?

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A laboratory technique used to separate DNA molecules by size, allowing for analysis and comparison.

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What is DNA Fingerprinting?

Back

A method used to identify individuals based on unique patterns in their DNA.

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What is the purpose of DNA Extraction?

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To isolate DNA from cells for analysis or manipulation.

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What does a DNA fingerprint reveal?

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It reveals the unique genetic makeup of an individual, which can be used for identification.

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In Gel Electrophoresis, where do lighter-weight DNA fragments migrate?

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Lighter-weight fragments migrate towards the bottom of the gel.

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What is the significance of the bands in a DNA fingerprint?

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The bands represent different DNA fragments, which can be compared to identify similarities or differences.

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How can DNA Fingerprinting be used in criminal investigations?

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It can match DNA found at a crime scene to a suspect's DNA, helping to identify or exonerate individuals.

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What role does a gel play in Gel Electrophoresis?

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The gel acts as a medium through which DNA fragments can move, separating them by size.

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What is the difference between a suspect's DNA and a felon's DNA in a case?

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A suspect's DNA is compared to a felon's DNA to determine if there is a match, indicating potential involvement in a crime.

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What is the process of comparing DNA fingerprints called?

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DNA profiling or DNA matching.