USE DNA Fingerprinting flashcard

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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 is the primary use of DNA Fingerprinting in criminal investigations?

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To match biological samples from a crime scene with potential suspects.

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What biological material can be used for DNA Fingerprinting?

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Blood, hair, skin cells, saliva, and other bodily fluids.

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What does it mean if two DNA samples match?

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It suggests that the samples come from the same individual or are genetically related.

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What is the role of PCR (Polymerase Chain Reaction) in DNA Fingerprinting?

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PCR is used to amplify small amounts of DNA to create enough material for analysis.

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What is a DNA profile?

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A unique pattern of DNA markers that can be used to identify an individual.

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What are alleles?

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Different versions of a gene that can exist at a specific locus on a chromosome.

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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 fathers to determine biological relationships.

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What is the significance of STRs (Short Tandem Repeats) in DNA analysis?

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STRs are regions of DNA that vary in length between individuals and are used for identification.

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What is the process of gel electrophoresis?

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A method used to separate DNA fragments based on their size for analysis.