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What of the following checks dna for errors

A. DNA polymerase

B. Gel eletrophoresis

C. DNA fingerprinting

D. Restriction endonuclease

User Jason Webb
by
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1 Answer

3 votes

Answer:

A. DNA polymerase

Step-by-step explanation:

DNA polymerases (I,II,III) proofread the DNA, which helps to catch errors. Errors can be fatal to expression, creating misformed proteins or unclear information, so this is necessary.

Fun facts - the coronavirus is a retrovirus, so it doesn't proofread. That makes it much harder to find a vaccine, because it can generate new strains by the very fact of not proofreading.

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