DNA Profiling Techniques and Concepts

Who developed the technique of DNA fingerprinting?

• James Watson

• Francis Crick

• Alec Jeffreys

• Rosalind Franklin

What percentage of DNA is identical between any two individuals in the world?

• 0.1%

• 50%

• 99.9%

• 100%

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What are the short, repeated DNA sequences that vary in number of repeats and are analyzed in DNA profiling called?

• Genes

• Loci

• Short Tandem Repeats (STRs)

• Restriction Endonucleases

Which technique separates DNA fragments by size during the DNA profiling process?

• Polymerase Chain Reaction (PCR)

• Southern Blotting

• Restriction Enzyme Digestion

• Gel Electrophoresis