Polymerase Chain reaction (PCR)

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Polymerase chain reaction (PCR) is the method of artificially replicating DNA many times.

The original sample of DNA must be dissolved in a buffer solution and then the following steps are carried out:

1) The DNA is heated to 90 degrees celsius  for 30 seconds. This causes the double stranded DNA to seperate into two single strands, both of which will then act as a template.

2) The mixture is then

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