Transduction is of two types, generalized transduction and specialized transduction. Type # 1. Generalized Transduction: Generalized transduction was discovered in 1952 by Norton Zinder and Joshua Lederberg. They were repeating the experiments of Lederberg and Tatum (1946) on conjugation that occurred in E.coli K12 taking another bacterium Salmonella typhimurium. They selected the following two strains […]