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Explain the Importance of ‘Selectable Marker’, with the Help of a Suitable Example. - Biology

Short Note

Explain the importance of ‘Selectable marker’, with the help of a suitable example.

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Solution

Importance of Selectable Marker:-
(i) It helps in identifying and eliminating non-transformants.
(ii) It selectively permitting the growth of the transformant.
e.g- The genes encoding resistance to antibiotics such as Ampicillin, Chloramphenicol Tetracyclin or Kanamycin are considered useful selectable markers for E.coli because normally E-coli does not carry resistance against any of these antibiotics.

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