Which of the following mechanisms of genetic transfer was first observed by Lederberg and Tatum (1946) in Escherichia coli?
A) Transformation
B) Transduction
C) Conjugation
D) All of the answers are correct

Question

Quizplus · Accepted Answer

Lederberg and Tatum (1946) observed the mechanism of conjugation in Escherichia coli, which involves the transfer of genetic material through direct cell-to-cell contact via a conjugative pilus. Transformation involves the uptake of free DNA from the environment, while transduction involves the transfer of genetic material via a bacteriophage vector.

Which of the Following Mechanisms of Genetic Transfer Was First