What Characteristic of Short Tandem Repeats (STRs)makes Them Useful for DNA

question 14

Multiple Choice

What characteristic of short tandem repeats (STRs) makes them useful for DNA fingerprinting?

• A)The number of repeats varies widely from person to person or animal to animal.
• B)The sequence of DNA that is repeated varies significantly from individual to individual.
• C)The sequence variation is acted upon differently by natural selection in different environments.
• D)Every racial and ethnic group has inherited different short tandem repeats.
• E)Each STR can be correlated with a specific disease.

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