Why is it so important to be able to amplify DNA fragments using PCR when studying genes?

Question

Accepted Answer

A gene may represent only a millionth of the cell's DNA

Answer

To remove any mutations in the genes

Answer

Before amplification, DNA fragments are likely to bind to RNA and would no longer be able to be analysed

Answer

To remove the negative charge on the DNA, to enable them to be analysed

Answer

To make seeing the nucleotide sequence easier

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