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DNA Fingerprinting

DNA Fingerprinting

17. Biotechnology / DNA Fingerprinting / Problem 2

How do polymorphisms help identify individuals in DNA fingerprinting?

A

They are the same in all people making everyone’s DNA identical.

B

They are inherited unchanged making family DNA identical.

C

They exist only in certain cells making DNA testing limited.

D

They vary between individuals making DNA profiles unique.

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