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STD 12 - 9. biotechnology principlas and process — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 9. biotechnology principlas and process1 Mark
MCQ
Which of the following key factors, makes plasmid, the vector in genetic engineering?
  • A
    It is resistant to antibiotics
  • B
    It is resistant to restriction enzymes
  • ✓
    Its ability to carry a foreign gene
  • D
    Its ability to cause infection in the host
✓

Answer

Correct option: C.
Its ability to carry a foreign gene
c
Plasmids, cosmids or bacteriophages can be used as vector in genetic engineering. Plasmids are most widely used circular, extrachromosomal $DNA$ segments seen in the bacterial cells. They carry a foreign gene or desired gene to the host. The size of plasmids ranges from $1 \times 10^{6}$ to $200 \times 10^{6}$ daltons

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