Biology · PYQ NEET UG 2019(2)

A selectable marker is used to:

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