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How can DNA fingerprints identify a person who has committed a crime?

In: Criminal Law, Genetics, Forensic Science [Edit categories]

Answer:

Every person in the world has different DNA to some extent. Humans all share 99.99% identical DNA, but there are certain groups of genetic markers that scientists have found that differ between each individual. A multitude of these groups are evaluated in both a sample from a crime scene and a control (taken from a subject) and these markers are compared. If a predtermined amount of these markers match, the DNA is considered a match. The accuracy of this is very good. The accuracy is in the 1:10,000,000,000 (10 billion).

First answer by Fightermage. Last edit by Fightermage. Contributor trust: 166 [recommend contributor ]. Question popularity: 2 [recommend question].

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Relevant answers:

How can DNA fingerprints be used to identify a person?
no one has the same fingerprint. And most if not all fingerprints were and are put in black ink and set on paper with the birth papers.
A person who committed a serious crime?
A felon.
Who is the person a crime is committed against?
victim
What are the rights of a person who has committed a crime?
In the US, when a person is arrested they are told their rights which are as follows: The right to remain silent, and the right to an attorney. The court is obligated to provide you with an attorney...
What are DNA fingerprints unique to each person?
DNA evidence and its collection and processing are ENTIRELY DIFFERENT and un-related to the collection and processing of latent fingerprint evidence. What, specifically, are you trying to learn?