Sort the following features according to whether they apply to generalized trans

Question

Sort the following features according to whether they apply to generalized transduction, specialized transduction, or both.

This process requires integration of phage DNA into the host chromosome.

Resulting phages can be transcduced into new cells

This process may result from infection by lytic phage

Some resultant phages carry only host DNA

Individual phages contain a mixture of phage and host DNA

Certain host genes are packaged at a high frequency

Genes from transducing phages can recombine with DNA in a new host

All chromosomal genes have an equal chance of being packaged into a phage

The process requires infection by a bacteriophage

Explanation / Answer

Generalized Transduction - It is a transduction process where any bacterial gene is transferred to another bacterium with help of bacteriophage. Only a small number of phages are able to carry the genome of the host.

Specialized Transduction – In this process only a restricted set of bacterial genes are used for the transfer to another bacterium.

This process requires integration of phage DNA into the host chromosome – Generalized Transduction

Resulting phages can be transduced into new cells - Both

This process may result from infection by lytic phage – Generalized Transduction

Some resultant phages carry only host DNA – Specialized Transduction

Individual phages contain a mixture of phage and host DNA – Generalized Transduction

Certain host genes are packaged at a high frequency – Specialized transduction

Genes from transducing phages can recombine with DNA in a new host - Both

All chromosomal genes have an equal chance of being packaged into a phage – Generalized Transduction

The process requires infection by a bacteriophage - Generalized Transduction

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