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Biotechnology: Principles and Processes — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYBiotechnology: Principles and Processes1 Mark
MCQ
Selective markers in plasmids are used to:
  • A
    Identify cancer cellsI
  • B
    dentify antibiotics
  • ✓
    Identify recombinants from non recombinants
  • D
    None of these
✓

Answer

Correct option: C.
Identify recombinants from non recombinants
Due to the presence of the selective marker, the plasmid becomes useful for the cell. Under the selective conditions, only cells that contain plasmids with the appropriate selectable marker can survive. Thus it helps in identifying the recombinants from non$-$recombinants.

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