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Selection Markers

What is signi...

Question

What is significance of selectable marker in cloning vector?

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Solution

Selectable markers are often antibiotic resistance genes. They help in artificial selection. They help in identifying transformants and selectively allowing their growth whereas eliminating non-transformants in cloning vector.

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Similar questions

Q. Name the selectable markers in the cloning vector pBR322?

Q. Why is it essential to have selectable marker in a cloning vector?

Q. Name the selectable markers in the cloning vector

p B R 322

? Mention the role they play.

Q. (a) Name the selectable markers in the cloning vector pBR322? Mention the role they play.
(b) Why is the coding sequence of an enzyme

β

-galactosidase, a preferred selectable marker in comparison to the ones named above?

Q. A plasmid without a selectable marker was chosen as vector for cloning a gene. How does this affect the experiment?

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