Question: In E. coli, a variety of mutator strains have been identified in which the spontaneous rate of mutation is much higher than in normal strains.

In E. coli, a variety of mutator strains have been identified in which the spontaneous rate of mutation is much higher than in normal strains. Make a list of the types of abnormalities that could cause a strain of bacteria to become a mutator strain. Which abnormalities do you think would give the highest rate of spontaneous mutation?

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