If the Bacterium Staphylococcus Aureus Experiences a Cost for Maintaining

Multiple Choice

If the bacterium Staphylococcus aureus experiences a cost for maintaining one or more antibiotic-resistance genes, what would be most likely to happen in environments that lack antibiotics?

A) These bacteria would maintain the antibiotic-resistance genes in case the antibiotics reappear.
B) These bacteria would be outcompeted and replaced by bacteria that have lost the antibiotic resistance genes.
C) These bacteria would try to make the cost worthwhile by locating and migrating to microenvironments where traces of antibiotics are present.
D) These bacteria would increase the number of genes conveying antibiotic resistance.