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