[IB Biology SL: Biotechnology Reviews]

2. The purpose of using PCR technology is to convert a small sample of DNA to a much larger quantity. Its use might include :

a) enlarging the size of tiny DNA samples in semen, hair or blood from a crime scene.

b) enlarging the size of a small DNA sample so that an organism (including extinct species) can be cloned.

c) increasing the quantity of a gene that needs to eventually be inserted into another organism.

 

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