Forensics DNA

Front

What are the nitrogen base pairs in DNA?

Back

A pairs with T, and G pairs with C.

Front

What is the primary purpose of DNA extraction?

Back

To isolate DNA from a sample.

Front

Can DNA be used to identify badly damaged or degraded remains?

Back

Yes, DNA can be used for this purpose.

Front

Do all hair samples with an intact medulla contain nuclear DNA?

Back

No, this statement is false.

Front

What is a DNA profile?

Back

A DNA profile is a visual representation of specific DNA characteristics, typically not limited to 15 bands.

Front

What is the structure of DNA?

Back

DNA is a double helix composed of nucleotides, which include a sugar, a phosphate group, and a nitrogenous base.

Front

What role do restriction enzymes play in DNA analysis?

Back

Restriction enzymes cut DNA at specific sequences, allowing for analysis and comparison.

Front

What is the significance of mitochondrial DNA in forensic analysis?

Back

Mitochondrial DNA is inherited maternally and can be used to trace lineage and identify remains.

Front

How can DNA evidence be used in criminal investigations?

Back

DNA evidence can link a suspect to a crime scene or victim, or exonerate innocent individuals.

Front

What is the difference between nuclear DNA and mitochondrial DNA?

Back

Nuclear DNA is found in the nucleus and is inherited from both parents, while mitochondrial DNA is found in mitochondria and is inherited only from the mother.