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Fed [463]
3 years ago
15

What does polymerase chain reaction (PCR) do?

Biology
2 answers:
Salsk061 [2.6K]3 years ago
7 0
PCR is a laboratory technique used to make multiple copies of a segment of DNA. PCR is very precise and can be used to amplify, or copy, a specific DNA target from a mixture of DNA molecules.
Jlenok [28]3 years ago
7 0

Answer:

Makes more copies of a sample of DNA

Explanation:

Apex

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The area is _______ with less than _______ of precipitation a year, most of which occurs during the _______________.
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