Question
Write in detail about transduction and its types.

Answer

Zinder and Lederhcrg (1952) discovered transduction in Salmonella typhimurum. Phage mediated DNA transfer is called transduction.
Image
Transduction is of two types:
  1. Generalized transduction and
  2. Specialized or restricted transduction.
1. Generalized transduction: The ability of a bacteriophage to carryr genetic material of any region of bacterial DNA is called generalised transduction.

2. Specialized or restricted transduction: The ability of the bacteriophage to carry only a specific region of the bacterial DNA is called specialized or restricted transduction. 

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