This video is available for NEETprep Video Course students only
#9 | Selectable Markers: III
(Zoology) > Biotechnology Principles and Processes
My Notes
Create your notes while watching video by clicking on icon in video player.
Related Practice Questions :
In the screening process during rDNA experiments, clones that metabolize -gal turn:
1. Colorless
2. Blue
3. Yellow
4. Green
66%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
How are transformants selected from nontransformants?
| 1. | Presence of more than one recognition site in the vector DNA. |
| 2. | Presence of alien DNA into the vector DNA results into insertional inactivation of selectable marker. |
| 3. | Antibiotic resistance gene gets inactivated due to insertion of alien DNA. |
| 4. | Both 2 and 3. |
82%
From NCERT
AIIMS - 2014
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Insertional inactivation of a gene helps in
| 1. | Identification of recombinant clones |
| 2. | Identification of deletion mutants |
| 3. | Identification of recombinant transformants |
| 4. | Elimination of suppression mutants |
79%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Insertional inactivation of the lac Z gene forms-
| 1. | Blue recombinant colonies |
| 2. | Colourless recombinant colonies |
| 3. | Fluorescent green colonies |
| 4. | There is no relation between the lac Z gene and colour of the colony. |
71%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Which of the following would you choose as the safest and least cumbersome selectable marker-
| 1. | Ampicillin resistance gene |
| 2. | Tetracyclin resistance gene |
| 3. | Kanamycin resistance gene |
| 4. | b Galactosidase gene |
69%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
© 2025 GoodEd Technologies Pvt. Ltd.