A gram- positive bacteria suddenly acquires resistance to the antibiotic methicillin. This trait most likely occurred due to

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Quizplus · Accepted Answer

Antibiotic resistance is most likely to occur through conjugation, where bacteria exchange genetic material through direct contact. Methicillin resistance is often due to the acquisition of the mecA gene, which is often transferred between bacteria through conjugation.

A Gram- Positive Bacteria Suddenly Acquires Resistance to the Antibiotic