Why Are Primers Needed in DNA Sequencing

question 24

Multiple Choice

Why are primers needed in DNA sequencing?

• A) DNA polymerase needs a primer because it can only add nucleotides to an existing nucleotide strand.
• B) DNA polymerase needs a primer to help it recognize a vector for gene insertion.
• C) DNA polymerase needs a primer for proofreading and mismatch repair after a gene has been sequenced.
• D) The primer acts as a template for the dideoxynucleotides and deoxynucleotides.
• E) All of the answer choices are correct.

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