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Polymorphic DNA is a stretch or multiple stretches of DNA that have high variability among individuals. Since the chance of DNA being different among these stretches in two different people, these pieces of DNA are commonly used for identification purposes.

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Is there DNA present in sweat?

Yes, there is DNA present in sweat. Sweat contains traces of DNA that can be used for identification purposes.


Is there such a thing as sweat DNA?

Yes, there is such a thing as sweat DNA. DNA can be found in sweat, which can be used for identification purposes in forensic investigations.


Is DNA present in sweat?

Yes, DNA is present in sweat. Sweat contains traces of DNA shed from skin cells, which can be used for identification purposes.


What part of an organism can be used for identification?

The part of an organism that can be used for identification is the nucleus. The nucleus contains DNA which is unique to each person.


What are DNA fingerprints?

DNA fingerprints are unique genetic profiles that can be used for identification purposes. They are created by analyzing specific regions of an individual's DNA that vary between people. DNA fingerprints are widely used in forensics, paternity testing, and identifying genetic disorders.


Why are the pattens in the human iris suitable for identification purposes?

It is very interesting that no two are exactly alike any more than fingerprints or DNA. Retinal patterns are also used for identification.


Analysis of fragments of DNA as a form of identification?

Analyzing fragments of DNA involves breaking down the DNA sequence into smaller pieces and comparing them with known DNA samples. This process can be used for identification purposes, such as in forensic investigations or paternity testing, by examining unique genetic markers. The specific pattern of DNA fragments can help distinguish individuals based on their genetic differences.


How is DNA similar to fingerprints?

DNA and fingerprints are both unique to each individual and can be used for identification purposes. Both DNA and fingerprints are used in forensic investigations to link individuals to a crime scene. Additionally, both DNA and fingerprints are considered reliable forms of evidence in criminal investigations.


Can hair be used to identify people?

Yes, hair can be used for identification purposes through DNA analysis. Hair contains genetic material that can be used to create a DNA profile unique to each individual, which can be compared to samples taken from a person of interest. This can help in criminal investigations, paternity tests, and other identification scenarios.


Is DNA on a live person different from on a dead person?

No, DNA on a live person is the same as DNA on a dead person. DNA remains unchanged after death unless degradation occurs due to environmental factors. DNA can be used for identification purposes regardless of whether the individual is alive or deceased.


What is the significance of noncoding DNA to DNA identification?

Noncoding DNA, also known as junk DNA, does not code for proteins but can contain unique variations that are specific to individuals. By analyzing these variations in noncoding DNA regions, forensic scientists can create a DNA profile for identification purposes, as these variations are highly specific to each person. This can be particularly useful in cases where coding DNA is not available or is not as informative for identification.


DNA fingerprinting is not used to?

DNA fingerprinting is not used to determine an individual's physical characteristics, such as eye color or hair color. It is also not used as a tool for genetic engineering or modifying DNA sequences in an organism. DNA fingerprinting is primarily used for identification purposes in forensic investigations, paternity testing, and tracking genetic hereditary conditions.