NC EOC Review: DNA Fingerprinting & Gel Electrophoresis

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What is DNA Fingerprinting?

Back

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

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What is Gel Electrophoresis?

Back

A laboratory method used to separate DNA fragments by size.

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What is DNA Extraction?

Back

The process of isolating DNA from cells.

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How do lighter-weight DNA fragments behave in Gel Electrophoresis?

Back

They move faster and are found at the bottom of the gel.

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What is the purpose of DNA Fingerprinting in forensic science?

Back

To match DNA samples from crime scenes with potential suspects.

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What role does an electric current play in Gel Electrophoresis?

Back

It causes the DNA fragments to move through the gel.

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What is the significance of the size of DNA fragments in Gel Electrophoresis?

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Smaller fragments travel further than larger ones, allowing for size-based separation.

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What are the main components needed for Gel Electrophoresis?

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A gel matrix, a power supply, and a buffer solution.

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What is the first step in DNA Fingerprinting?

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Collecting a DNA sample from an individual.

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What is a DNA profile?

Back

A unique pattern of DNA fragments that can be used for identification.