Question

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

Answer 1

i think its B

Step-by-step explanation:

its B.........

Answer 2

I think it is B, Mismatched nucleotides