Understanding DNA Profiling

Who developed the technique of DNA fingerprinting?

• Alec Jeffries

• Gregor Mendel

• Rosalind Franklin

• James Watson

What percentage of DNA is identical in all humans?

• 90%

• 95%

• 98%

• 99.9%

What is the main focus of DNA profiling?

• Blood type

• The entire genome

• Mitochondrial DNA

• 0.1% of DNA that differs

Which technique is used to amplify DNA samples?

• PCR

• Southern blotting

• Electrophoresis

• CRISPR

What is analyzed in DNA profiling to identify individuals?

• Protein coding genes

• Short tandem repeats

• Gene sequences

• Whole chromosomes

What is required from a crime scene to perform DNA profiling?

• A small sample of cells

• A witness

• The criminal's confession

• A full DNA sequence

What is the purpose of gel electrophoresis in DNA profiling?

• To amplify DNA

• To identify DNA sequences

• To cut DNA into pieces

• To separate DNA fragments by size

How is DNA transferred for comparison in DNA profiling?

• Northern blotting

• Western blotting

• Southern blotting

• PCR

Which suspect was identified as guilty in the burglary case?

• Suspect 4

• Suspect 3

• Suspect 2

• Suspect 1

Which parents were identified as the soldier's in the identification case?

• Parents D and A

• Parents A and B

• Parents B and C

• Parents C and D