Question

Transduction was discovered by 'X' in 'Y'. Identify 'X' and 'Y' respectively:

• A. X-Lederberg and Tatum, Y-E. coli
• B. X-Lederberg and Zinder, Y-S. typhimurium
• C. X-Lederberg and Ehrenberg, Y-S. Pneumoniae
• D. X-Griffith and Zinder, Y-C. tetani

Hint:

Remember: Transformation = Griffith, Conjugation = Lederberg & Tatum, Transduction = Lederberg & Zinder.
Identify the bacterium associated with each process.
Focus on the gene transfer mechanism for exams.

Answer 1

The Correct Option is B

1. Transduction is the process of gene transfer mediated by bacteriophages.
2. Joshua Lederberg and Norton Zinder first demonstrated transduction in Salmonella typhimurium.
3. Therefore, the correct answer is (2) X-Lederberg and Zinder, Y-S. typhimurium.