Why isn't PCR necessary when using STRs?

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Law

Kymani Jefferson

11 August, 01:57

Why isn't PCR necessary when using STRs?

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Maren Carrillo · Answer 1

PCR isnt necessary when using STR's, because PCR isolates the DNA fragments from genomic DNA by selective amplification of a specific region of DNA. PCR is also used for genetic fingerprinting. STR is used to identify victim, perpetrator, missing persons, and others. They both identify a person in different ways. So, only one would be necessary to use.