DNA Forensics

Front

What is DNA forensics?

Back

DNA forensics is the application of DNA analysis to solve crimes, identify individuals, and establish relationships through genetic evidence.

Front

What are common sources of DNA at a crime scene?

Back

Common sources of DNA at a crime scene include blood, saliva, hair, skin cells, and bodily fluids.

Front

Which source of DNA is considered not common at a crime scene?

Back

Teeth are not considered a common source of DNA at a crime scene.

Front

What does STR stand for in DNA analysis?

Back

STR stands for Short Tandem Repeat, a type of genetic marker used in DNA profiling.

Front

Can STR analysis be used to determine paternity or maternity?

Back

Yes, STR analysis can be used to determine paternity or maternity of a child.

Front

What are some challenges to DNA evidence?

Back

Challenges to DNA evidence include resolving mixtures, degraded samples, and inhibitors to PCR.

Front

What type of DNA is passed on through the maternal line?

Back

Mitochondrial DNA (mtDNA) is passed on through the maternal line.

Front

What does mtDNA stand for?

Back

mtDNA stands for mitochondrial DNA, which is the DNA found in mitochondria and inherited maternally.

Front

What technique replaced RFLP in DNA analysis in 1997?

Back

The 13 STR technique replaced RFLP (Restriction Fragment Length Polymorphism) in DNA analysis in 1997.

Front

What is RFLP used for in DNA forensics?

Back

RFLP (Restriction Fragment Length Polymorphism) is used to analyze the length of DNA fragments to create a DNA profile.