Multiple Choice
In forensic DNA analysis, which part of a human hair is most likely to contain sufficient nuclear DNA for STR profiling?
18. Molecular Genetic Tools
Methods for Analyzing DNA
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In forensic DNA profiling, how is DNA similar to a fingerprint?
A
It changes rapidly over a person’s lifetime, making it useful mainly for determining a person’s age.
B
It contains patterns (e.g., STR profiles) that are highly variable among individuals and can be used to identify a person with high confidence.
C
It is completely unique for every individual, including identical twins, so it always distinguishes any two people.
D
It is identical in all humans, so it can only be used to determine species, not individual identity.
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