This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2017, Subject name: Pharmacology
Veical transmission of resistance to ciprofloxacin occurs :- 
Select and explain. 
A. Transduction, B. Transformation, C. Conjugation, D. Mutation
D: Mutation
Answer: D: Mutation 
Explanation: Ciprofloxacin: Veical transmission -from parents to progeny (daughter cells) among bacterial cells Horizontal transmission - from one bacteria to another bacteria simultaneously Veical transmission is mainly by mutation Horizontal transmission is mainly by various methods Transduction Transformation Conjugation