- 1(current)
Q. No.The blue and white selectable markers have been developed which differentiate recombinant colonies from non-recombinant colonies on the basis of their ability to produce colour in the presence of a chromogenic substrate.
Given below are two statements about this method:
Given below are two statements about this method:
| 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 |
Subtopic: Â Selection of Recombinant Transformants |
 69%
From NCERT
NEET - 2025
Please attempt this question first.
Hints
Please attempt this question first.
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
Subtopic: Â Selection of Recombinant Transformants |
 61%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
Links
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.