Which of the following characteristics of short tandem repeat sequences (STRs) in DNA makes them useful for forensic as well as paternity analyses? 1. The DNA sequences within the STRs can vary significantly from individual to individual. 2. The number of repeats at STR loci is the same in everyone. 3. Every racial and ethnic group has inherited different short tandem repeats. 4. The number of repeats is highly variable from person to person.
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Step 1: Short tandem repeats (STRs) are sequences in DNA that are repeated multiple times. Show more…
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