A gene whose expression helps to identify transformed cell is known as :

  • Option 1)

    Selectable marker

  • Option 2)

    Vector

  • Option 3)

    Plasmid

  • Option 4)

    Structural gene

 

Answers (1)

As dicussed in

Selection of vector -

Based on:

  • size of the gene of interest
  • presence of ori size 
  • copy number of plasmid
  • restriction enzyme sites
  • antibiotic resistance genes as a selectable markers  

- wherein

The copy number of plasmid decides the power of replication inside the host. Usually, high copy number (>100) is used to express the protein. 

 

 Selectable markers are used to identify transformed cell


Option 1)

Selectable marker

This is correct option

Option 2)

Vector

This is incorrect option

Option 3)

Plasmid

This is incorrect option

Option 4)

Structural gene

This is incorrect option

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