Mutations Are More Likely to Occur in Repeated DNA Sequences

question 45

Multiple Choice

Mutations are more likely to occur in repeated DNA sequences because

• A)these bases are unstable.
• B)bases in the strand can form base pairs,generating loops that interfere with replication and repair enzymes.
• C)the repeats hold onto the replication enzymes,causing base mismatches.
• D)the repeats attract and bind to mutagens,increasing the mutation rate.

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