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11 February, 23:30

What is the polymerase chain reaction (PCR) ?

a. A method to amplify a fragment of DNA.

b. A method to propagate a gene in bacteria.

c. A method to join two fragments of DNA together.

d. A method to determine the sequence of bases in a gene.

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  1. 12 February, 02:40
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    Answer: D.) A method to determine the sequence of bases in a gene.

    Explanation:Polymerase chain reaction (PCR) is a method widely used in molecular biology to make several copies of a specific DNA segment. Using PCR, copies of DNA sequences are exponentially amplified to generate thousands to millions of more copies of that particular DNA segment
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