What Is the Significance of STRs in DNA Profiling

question 19

Multiple Choice

What is the significance of STRs in DNA profiling?

• A) STRs vary among different tissues within an individual,so they can be used to determine which organ was the source of the DNA.
• B) STRs are inherited from only maternal DNA and can track parentage.
• C) STRs are inherited from only paternal DNA and can track parentage.
• D) STRs vary in length from person to person,which helps to identify specific individuals.
• E) STRs code for proteins,therefore they are highly variable among individuals and can help to identify specific individuals.

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