DNA Profiling Quiz

Who developed the technique of DNA fingerprinting?

• James Watson

• Francis Crick

• Alec Jeffries

• Rosalind Franklin

What percentage of DNA is identical among all humans?

• 50%

• 99.9%

• 75%

• 100%

What are short tandem repeats (STRs) used for in DNA profiling?

• To sequence RNA

• To identify the entire genome

• To analyze the 99.9% identical DNA

• To focus on variable regions of DNA

Which process is used to separate DNA fragments by size?

• DNA Sequencing

• Gel Electrophoresis

• Southern Blotting

• Polymerase Chain Reaction

In the burglary case, how is the guilty suspect identified?

• By matching fingerprints

• By eyewitness testimony

• By matching DNA profiles

• By alibi verification