This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Bacteriology (Gram Positive Bacilli, Gram Negative Bacilli), Subject name: Microbiology
[{'content': 'Non-toxigenic C. diphtheriae changes to toxigenic C. diphtheriae with the help of bacteriophage ,by which method this conversion occur? \nSelect and explain. \nA. Transformation, B. Transduction, C. Conjugation, D. Recombinant technology', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Incorporation of tox gene by Beta- phage into non toxigenic corynebacterium conve it into toxigenic corynebacterium diptheria. This is typical example of lysogenic conversion. This method of gene transfer is called transduction .', 'role': 'assistant'}]