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DNA Fingerprint

Last updated over 3 years ago
5 questions
1

When creating a DNA fingerprint to solve a crime, it should involve DNA from what sources? CHECK ALL THAT APPLY

1

Which of the following is true about gel electrophoresis?

1

Why is a victim's DNA included in a DNA fingerprint?

The steps of gel electrophoresis are below. They are not in the correct order.
  1. Load the DNA into the wells of the gel. Include a DNA control for comparison.
  2. Watch as the smaller DNA fragments move toward the positive end of the gel.
  3. Cut DNA into fragments with restriction enzymes
  4. Connect the gel chamber to an electrical current.
  5. Stain the DNA bands to make them easily visible.
1

Using the steps above, what is the correct order of the steps for creating a DNA fingerprint?

1

What is the purpose of PCR (polymerase chain reaction)?