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DNA Fingerprinting

17. Biotechnology / DNA Fingerprinting / Problem 3

Why is the number of STRs in a specific region of the genome unique to each individual?

A

STRs frequently undergo mutations that lead to variations that differ among individuals.

B

STRs are inherited from parents and vary among individuals.

C

STRs vary in presence among individuals and are not universally present.

D

STRs are found only in non-coding regions of DNA and do not vary between individuals.

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