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loris [4]
3 years ago
14

Why do scientists need to run PCR in order to work with DNA?

Biology
2 answers:
prisoha [69]3 years ago
8 0
PCR multiplies the DNA in 25 to 75 cycles
Neko [114]3 years ago
6 0
This is the chain reaction in the name polymerase chain reaction. PCR is so efficient because it multiplies the DNA exponentially for each of the 25 to 75 cycles. A cycle takes only a minute or so and each new segment of DNA that is made can serve as a template for new ones.
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