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Biology · PYQ NEET UG 2019(2)

हिन्दी

A selectable marker is used to:

  1. Mark a gene on a chromosome for isolation using restriction enzyme.
  2. Help in eliminating the non-transformants, so that the transformants can be regenerated.
  3. Identify the gene for a desired trait in an alien organism.
  4. Select a suitable vector for transformation in a specific crop.

Correct answer · Option 2

Help in eliminating the non-transformants, so that the transformants can be regenerated.

Explanation

Selectable markers help in identifying and eliminating non-transformants while selectively permitting the growth of transformants.
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