USE DNA Fingerprinting flashcard

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What does CODIS stand for and what is its purpose?

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CODIS stands for Combined DNA Index System. It is an electronic database of DNA profiles used to identify suspects by comparing DNA evidence collected from crime scenes with known profiles.

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Who was identified as the suspect in the blood found at the crime scene?

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John was identified as the suspect whose blood was found at the crime scene.

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In a crime scene analysis, what does the presence of blood from a suspect indicate?

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The presence of blood from a suspect at a crime scene can indicate that the suspect may have been involved in the crime, especially if the blood matches the victim's blood type or DNA.

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What is the significance of DNA evidence in a paternity suit?

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DNA evidence is crucial in a paternity suit as it can confirm or exclude a man as the biological father of a child, which can affect inheritance rights and legal responsibilities.

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What does STR stand for in the context of DNA profiling?

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STR stands for Short Tandem Repeats, which are repeating sequences of DNA that are used in genetic profiling.

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How can DNA profiling assist in solving crimes?

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DNA profiling can assist in solving crimes by matching DNA evidence from a crime scene to known individuals, helping to identify suspects or exonerate innocent individuals.

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What type of DNA sample would be needed to prove paternity?

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To prove paternity, a DNA sample from the alleged father and the child is needed, along with a sample from the mother for comparison.

Tags

NGSS.HS-LS3-1

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What role does forensic analysis play in crime scene investigations?

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Forensic analysis plays a critical role in crime scene investigations by collecting, preserving, and analyzing physical evidence, including DNA, to establish facts about the crime.

Front

What is the process of DNA extraction?

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DNA extraction is the process of isolating DNA from cells, which involves breaking down cell membranes and separating DNA from proteins and other cellular components.

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Why is it important to have a control sample in DNA testing?

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A control sample is important in DNA testing to ensure the accuracy and reliability of the results, allowing for comparison with the test samples.