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

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 9. biotechnology principlas and process1 Mark
MCQ
The ability to transform normal cells into cancerous cells is found in
  • A
    $Ti$ plasmid
  • B
    Retrovirus
  • C
    All plasmids
  • ✓
    Both $(a)$ and $(b)$
✓

Answer

Correct option: D.
Both $(a)$ and $(b)$
d
Ti plasmid of Agrobacterium tumefaciens : $A.$ tumefaciens, a pathogen is able to deliver a piece of $DNA$ known as $'T-DNA$ to transform normal plant cells into a tumor.

Retro virus : These viruses have the ability to transform normal cells into cancerous cells.

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