This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
The most common mechanism of drug resistance in staphylococci ? 
Select and explain. 
A. Conjugation, B. Plasmids, C. Transduction, D. Translation
C: Transduction
Answer: C: Transduction 
Explanation: Ans. is 'c' i.e., Transduction . Production of b-lactamase is usually controlled by plasmids which are transmitted by transduction (most common) or conjugation (some times).