Forensic DNA Fingerprinting Often Involves Recovery of Minute Quantities of DNA

question 37

Multiple Choice

Forensic DNA fingerprinting often involves recovery of minute quantities of DNA from a crime scene.What is a concern in analyzing this DNA?

• A)There is seldom enough DNA to allow PCR amplification.
• B)Even with these tiny amounts of DNA,there may be too much DNA for efficient PCR.
• C)Suspects may not agree to provide a sample of their DNA.
• D)It is critical to avoid the introduction of contaminating human DNA unrelated to the crime.
• E)Restriction enzymes may not work efficiently on the PCR-amplified DNA.

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