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What is the origin of DNA evidence in crime scenes?

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Answered 2007-09-04 21:40:45

According to DNA profiling was developed in 1984 by British geneticist Sir Alec Jeffreys, and first used in forensic science to convict Colin Pitchfork in the 1988 Enderby murders case.

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What is the most interesting thing about crime scenes and crime scene investigators?

A criminal always leaves DNA in the crime scene, and recovering evidence such as fingerprints and DNA is the most interesting thing about crime scenes and crime scene investigators. Forensic investigators can recreate a crime scene using evidence and crime simulation programs.

What does a DNA profiler do?

id people and crime scenes

How do they use DNA evidence today?

Police use DNA evidence to run tests and find out who committed a crime.

Crime scene hair is what type of evidence?


What evidence can be used for DNA fingerprinting at a crime scene?


What is the data base called that stores DNA profiles?

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Is DNA testing useful?

Yea, it is used for several different tests. For example we have DNA testing for paternity tests to confirm the babies father also we use DNA tests in crime scenes to help find the criminal in a specific crime. Yea, it is used for several different tests. For example we have DNA testing for paternity tests to confirm the babies father also we use DNA tests in crime scenes to help find the criminal in a specific crime.

Why was it difficult to use DNA as evidence in a crime before PCR was invented?

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If DNA helps solve crime why isn't every crime solved?

Because DNA evidence isn't always available, DNA being there doesn't mean they did it, et cetera.

What are CSI used for?

CSI (the actual investigations, not the show) are used to investigate crime scenes. These investigations gather evidence such as fingerprints, DNA evidence, matching of witness to apparent events that people use in a courtroom to convict or prove innocent the accused persons.

Is hair DNA?

No, hair is not interchangeably used to describe DNA. However, hair is a source for DNA this is why when forensic scientists are involved in crime scenes, they look for any sample of which contains DNA, including hair.

How did humans use the knowledge of DNA to solve problems?

Police use DNA from crime scenes to identify criminals or victims Doctors and scientists use DNA to identify genetic diseases

What is the purpose of a crime scene investigation?

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National Commission on the Future of DNA Evidence

How scientifis tools are used in enforcement of law and order?

One example is that of DNA technology used in investigating crime scenes.

What are two main uses of of DNA profiling by electrophoresis?

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Why is crime scene important?

because if there is no crime scene we cant recognise where the crime occurs we'll also not able to find any evidence and any dna sample

Why is blood evidence important?

Blood evidence can help to identify the suspect who comitted the crime, (especially in regard to their unique DNA which is found in the blood).

Why is DNA evidence is so valuable?

DNS evidence is valuable because it can make a determination of who committed a crime without leaving room for error.

What tool in crime investigation resulted from advances in DNA technology?

The Combined DNA Index System makes available DNA profiles collected through various federal, state and local government agencies for comparison with crime scene evidence.

Are there any downsides to DNA evidence?

There are a few downsides to DNA evidence: It has been suggested that the prominence of DNA evidence on TV shows has caused juries to expect irrefutable DNA evidence before convicting someone. This may be a problem if other forms of evidence are ignored. DNA evidence can only be obtained in instances where biological substances are left behind or exchanged. This only occurs in a minority of cases. DNA evidence sometimes only proves that the person was present at the scene - it does not always prove guilt. However, if a person's DNA is found at the scene, this may be perceived as proof that they committed the crime.

Why is DNA important in crime scenes?

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What should police officers know about DNA testing?

All police officers are trained in the preservation of evidence at a crime scene, but unless they are specifically trained as crime scene or evidence technicians the average police officer is merely aware of DNA testing, not any specifics as to how it is conducted.

How DNA use in real life?

DNA has many uses in real life. These uses may include use as evidence in a crime scene for example