Why Are Short Tandem Repeats (STRs)used in DNA Fingerprinting

question 15

Multiple Choice

Why are short tandem repeats (STRs) used in DNA fingerprinting?

• A)They are the only human genes that can be cut by restriction enzymes.
• B)It is unlikely two unrelated people will have an identical number of repeats at the same location in their genomes.
• C)They are exactly the same in all individuals.
• D)Some individuals have them and some don't.

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Definitions:

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