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DNA Fingerprinting

View the animation below, then complete the quiz to test your knowledge of the concept.






1In traditional DNA fingerprinting, the DNA that has been collected is cut into smaller pieces by...
A)probe molecules.
B)restriction enzymes.
C)gel electrophoresis.
D)denaturation.
E)hybridization.



2The resulting thousands of different sized DNA fragments are then separated by size using...
A)probe molecules.
B)restriction enzymes.
C)gel electrophoresis.
D)denaturation.
E)hybridization.



3The addition of radiolabeled probe molecules to the DNA fragments results in...
A)hybridization.
B)denaturation.
C)filtration.
D)a gel blot.
E)exposure to x-ray film.



4DNA fingerprinting is a method of identification based on a family's DNA traits.
A)True
B)False



5The main difference between traditional DNA fingerprinting and the method that has superceded it is that the newer method does not contain variable number of tandem repeat sequences - or VNTRs.
A)True
B)False







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