What Phenotype Would You Expect to See in a Strain

Multiple Choice

What phenotype would you expect to see in a strain of E. coli with a mutation in the phr gene?

A) decrease in UV-induced mutations
B) increase in UV-induced mutations
C) decrease in reversion of base-pair substitution mutations
D) increase in the methylation of nucleotide bases
E) decrease in the methylation of nucleotide bases