Statement I: | The blue coloured colonies have DNA insert in the plasmid and they are identified as recombinant colonies. |
Statement II: | The colonies without blue colour have DNA insert in the plasmid and are identified as recombinant colonies. |
1. | Statement I is correct; Statement II is incorrect |
2. | Statement I is incorrect; Statement II is correct |
3. | Both Statement I and Statement II are correct |
4. | Both Statement I and Statement II are incorrect |
In recombinant DNA technology antibiotics are used:
1. to keep medium bacteria-free
2. to detect alien DNA
3. to impart disease-resistance to the host plant
4. as selectable markers