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Question

Mention one function of the selectable markers.


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Solution

Selectable markers:

The selectable marker is the sequence on the DNA, which helps to identify and remove non-transformations and allows the evolution of the transformation selectively.

The function of selectable markers:

  1. A marker gene is a gene used to determine whether a nucleic acid sequence has been successfully inserted into an organism's DNA.
  2. Genes that provide resistance to various antibiotics are used as markers of choice in cloning vectors.
  3. Only those cells that have been successfully converted can be detected by the marker of choice.
  4. Therefore, this helps to remove non-transformations and allow transformations.

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