DNA Evidence

Front

What is DNA evidence?

Back

DNA evidence refers to biological material that contains genetic information, which can be used to identify individuals involved in a crime.

Front

What is the purpose of DNA profiling?

Back

DNA profiling is used to identify individuals by analyzing their unique DNA patterns, often used in forensic science to link suspects to crime scenes.

Front

What does CODIS stand for?

Back

CODIS stands for Combined DNA Index System, a database that stores DNA profiles for law enforcement purposes.

Front

What type of evidence is DNA considered?

Back

DNA is considered individual evidence because it can uniquely identify a person.

Front

Can identical twins have different DNA profiles?

Back

No, identical twins have the same DNA, but they can have different fingerprints.

Front

What is the significance of DNA in criminal investigations?

Back

DNA can link a suspect to a crime scene, exclude individuals from suspicion, and corroborate alibis.

Front

What is the difference between class evidence and individual evidence?

Back

Class evidence can associate a sample with a group, while individual evidence can uniquely identify a specific person.

Front

What is the role of forensic scientists in DNA analysis?

Back

Forensic scientists collect, preserve, and analyze DNA evidence to provide insights in criminal investigations.

Front

What are some common sources of DNA evidence?

Back

Common sources include blood, saliva, hair, skin cells, and other bodily fluids.

Front

How can DNA evidence be used to refute a claim of self-defense?

Back

DNA evidence can show that a suspect was present at a crime scene, contradicting their self-defense claim.