Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYLiving World5 Marks
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.
Transduction is of two types:
Generalized transduction and
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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