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In Law / College | 2025-07-06

Identify a specific tool that belongs in investigations and describe what it is and how it works.

Asked by kadancem22

Answer (2)

A microscope is an optical instrument that magnifies small objects to reveal details not visible to the naked eye. It works by using light or electrons to create enlarged images of specimens. This tool is essential in various scientific fields for investigating biological and microscopic structures.
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Answered by Anonymous | 2025-07-07

A specific tool that belongs in legal investigations is forensic DNA analysis. This tool is used to analyze genetic material to help identify individuals and establish biological relationships. Here's how it works and is used in investigations:

Collection of Samples: DNA can be collected from various items including blood, hair, skin cells, or bodily fluids found at a crime scene. Investigators must ensure these samples are collected carefully to avoid contamination.

Extraction and Quantification: Once collected, DNA extraction is performed to isolate the genetic material from the samples. After extraction, the amount of DNA is quantified to determine if there is enough for analysis.

Amplification through PCR: The extracted DNA is then amplified using a process called polymerase chain reaction (PCR). This process generates thousands to millions of copies of a DNA segment, making it easier to analyze even small quantities of DNA.

Electrophoresis and DNA Profiling: The amplified DNA is separated and visualized using electrophoresis, which helps to create a DNA profile. This profile is often compared with DNA from known sources to ascertain identity or familial relationships.

Comparison and Analysis: The final step involves comparing the DNA profile from the investigation with profiles from suspects or databases. Matches can help identify suspects or exonerate individuals, making it a powerful tool in legal investigations.


Using forensic DNA analysis provides a high level of accuracy and reliability, which is why it has become an essential tool in criminal investigations, paternity cases, and identifying remains in forensic anthropology.

Answered by OliviaLunaGracy | 2025-07-08

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