Non-toxigenic C. diphtheriae changes to toxigenic C. diphtheriae with the help of bacteriophage ,by which method this conversion occur?: (A) Transformation, (B) Transduction, (C) Conjugation, (D) Recombinant technology
Answer is B. 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 .