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PCR, or polymerase chain reaction, is used in forensic investigations to amplify small amounts of DNA found at crime scenes. This technique allows forensic scientists to create enough DNA material for analysis and comparison, helping to identify suspects or victims based on their genetic profiles.

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5mo ago

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Why are observation skills important of forensic science


Why is semen used in forensic investigations?

Because it contains the donors DNA.


Which method is preparing DNA for forensic analysis?

The method commonly used for preparing DNA for forensic analysis is called polymerase chain reaction (PCR). PCR amplifies specific regions of DNA so that they can be analyzed in detail. This method allows for small amounts of DNA to be replicated, making it suitable for forensic samples with limited DNA material.


What is the significance of DNA profiling in modern forensic investigations?

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How can DNA from sweat be used in forensic investigations?

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What careers are in forensics?

Some careers in forensics include forensic scientist, forensic pathologist, crime scene investigator, forensic psychologist, forensic accountant, and forensic anthropologist. Each of these professions plays a crucial role in analyzing evidence and aiding in criminal investigations.


Which is a method of preparing DNA for forensic analysis?

polymerase chain reaction


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Sweat DNA can be a valuable tool in forensic investigations as it can provide genetic information that can help identify suspects or link them to a crime scene. This can be especially useful when other forms of evidence are lacking or inconclusive.


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Why is PCR often used in forensic identification work?

PCR is commonly used in forensic identification work because it allows for the amplification of small amounts of DNA found at a crime scene, making it easier to analyze. It is a sensitive technique that can generate enough DNA for analysis even from degraded or old samples. PCR also allows for the comparison of DNA profiles between samples, aiding in the identification of suspects or victims.


Using scientific techniques to determine the identity of a deceased individual connected to criminal investigations?

forensic archaeology