USE DNA Fingerprinting flashcard

Front

What is DNA fingerprinting?

Back

DNA fingerprinting is a technique used to identify individuals based on their unique DNA profiles, often used in forensic science and paternity testing.

Front

What is gel electrophoresis and what does it do?

Back

Gel electrophoresis is a laboratory method used to separate DNA fragments based on their size, allowing for the analysis of genetic material.

Front

In gel electrophoresis, where do the longest DNA fragments appear?

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The longest DNA fragments will appear closest to the starting wells.

Front

What is CODIS?

Back

CODIS (Combined DNA Index System) is an electronic database of DNA profiles used to identify suspects in criminal investigations.

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What type of DNA is used to trace ancestry through the female line?

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Mitochondrial DNA is used to trace ancestry through the female line because it is passed on to offspring through X chromosomes.

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How can DNA evidence be used in paternity cases?

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DNA evidence can determine biological relationships by comparing the DNA profiles of the child and potential fathers.

Tags

NGSS.HS-LS3-1

Front

What is the significance of DNA profiling in forensic science?

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DNA profiling is significant in forensic science as it helps to identify suspects, exonerate the innocent, and link evidence to individuals.

Front

What are the main components of DNA?

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The main components of DNA are nucleotides, which consist of a sugar, a phosphate group, and a nitrogenous base.

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What role do restriction enzymes play in DNA analysis?

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Restriction enzymes cut DNA at specific sequences, allowing for the analysis and comparison of DNA fragments.

Front

What is the purpose of a DNA sample in a paternity test?

Back

The purpose of a DNA sample in a paternity test is to compare genetic markers to determine if a man is the biological father of a child.

Tags

NGSS.HS-LS3-1