This form of DNA transfer was first observed by Lederberg and Tatum (1946)in Escherichia coli.
A) transformation
B) transduction
C) conjugation
D) fission

Name: This form of DNA transfer was first observed by Lederberg and Tatum (1946)in Escherichia coli. A) transformation B) transduction C) conjugation D) fission
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Conjugation was first observed by Lederberg and Tatum in 1946 in Escherichia coli, where they discovered that bacteria could transfer genetic material through direct contact.

This Form of DNA Transfer Was First Observed by Lederberg