What Characteristic of Short Tandem Repeats (STRs) DNA Makes It

question 70

Multiple Choice

What characteristic of short tandem repeats (STRs) DNA makes it 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.

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