First observed by Lederberg and Zinder (1952) in Salmonella typhimurium.
A) Transformation
B) Transduction
C) Conjugation
D) All of the answers are correct

Question

Quizplus · Accepted Answer

Lederberg and Zinder (1952) first observed transduction in Salmonella typhimurium, making option B the correct answer. Transformation was first observed by Griffith (1928) in Streptococcus pneumoniae, and conjugation was first observed by Lederberg and Tatum (1946) in Escherichia coli. Therefore, options A and C are incorrect.

First Observed by Lederberg and Zinder (1952) in Salmonella Typhimurium