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Which of the following would be most likely to cause a mutation?

A.
the addition of nucleotides to the 3’ end of the growing strand

B.
the insertion of a mismatched nucleotide into a DNA strand

C.
the unwinding of the DNA strand

D.
the synthesis of short stretches of DNA

1 Answer

6 votes

Answer:

B. the insertion of a mismatched nucleotide into a DNA strand

Step-by-step explanation:

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