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A specialized transducing phage attacking an infected cell with lysogenic stage of the same virus gives rise to________

(a) HFR

(b) HFT

(c) F’

(d) F

I got this question in a national level competition.

Enquiry is from Gene Mapping in Bacteria by Transduction in chapter Genomics : The Mapping and Sequencing of Genomes of Cytogenetics

1 Answer

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Best answer
Correct choice is (b) HFT

The best explanation: Hft or High frequency transducing viruses has a greater tendency to produce specialized transducing phage by improper excision event as they are very unstable. HFR occurs by integration of F plasmid after conjugation.

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