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Question: mutations are usually rare because a okazaki fragments are removed...

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Mutations are usually rare, because

A. Okazaki fragments are removed, whenever detected by the ligase enzyme.
B. DNA polymerase quickly discards mismatched nucleotide base pairs.
C. transcription, after replication, will normally detect and fix mutations.
D. ligases serve to conduct "quality control" checks in order to repair mutations.
E. Both answer options, regarding the role of the ligase enzyme, are correct.
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