Multiple Choice
What is one reason why antibiotic resistance does not always disappear as quickly as one might expect after large-scale antibiotic use is ended?
A) Compensatory mutations arise at other loci in resistant bacterial strains, which eliminate fitness costs associated with the resistant phenotype.
B) Horizontal gene transfer occurs from other resistant bacterial strains.
C) Alleles for antibiotic resistance confer no fitness costs.
D) Alleles for antibiotic resistance confer no fitness benefits.
Correct Answer:
Verified
Correct Answer:
Verified
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