Answer: Transfers a piece of its Ti plasmid DNA into the plant.
- A Transfers a piece of its Ti plasmid DNA into the plant
- B Injects its whole genome into the plant nucleus
- C Produces spores inside plant cells
- D Fixes nitrogen in the plant roots
Correct answer: A. Transfers a piece of its Ti plasmid DNA into the plant
Explanation: A. tumefaciens naturally transfers a segment of DNA (T-DNA) from its Ti plasmid into the plant genome, so the disarmed plasmid is used as a vector to deliver desired genes.
Recombinant DNA technology: a gene of interest and plasmid are cut by the same restriction enzyme, ligated into a recombinant plasmid, and introduced into a host cell.
Concept context
Recombinant DNA, GMOs, PCR, CRISPR, and biotechnology applications. Growing importance in NEET.
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