

MCQOPTIONS
Saved Bookmarks
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Genetic Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
Where do P elements integrate into the genome? |
A. | At specifically defined sites |
B. | Randomly |
C. | Only at the ends of the genome |
D. | Integration depends on reaction conditions |
Answer» C. Only at the ends of the genome | |
2. |
The host should ____ P elements, these elements lead to _______ |
A. | not have, instability |
B. | have, stability |
C. | not have, increase the time taken for integration |
D. | have, reduces the time taken for integration |
Answer» B. have, stability | |
3. |
Cis-acting sites should be present in the vector for ________ |
A. | replication |
B. | selecting recombinants by acting as a marker |
C. | transposition |
D. | providing high copy number |
Answer» D. providing high copy number | |
4. |
Wild-type Drosophila flies are _____ to ethanol supplied in food. |
A. | resistant |
B. | non-resistant |
C. | resistant at low concentration and non-resistant at higher concentration |
D. | resistant at higher concentrations and non-resistant at lower concentration |
Answer» B. non-resistant | |
5. |
Wild type flies have crimson red eyes whereas rosy mutant have brick-red eyes. |
A. | True |
B. | False |
Answer» C. | |
6. |
rosy gene is used as a selectable marker for transformation in Drosophila, it produces an enzyme required for the synthesis of ____________ |
A. | wing pigment |
B. | eye pigment |
C. | both eye and wing pigment |
D. | thorax pigment |
Answer» C. both eye and wing pigment | |
7. |
______ integration systems are used for the transfer of DNA in Drosophila and it is composed of ______ |
A. | Artificial, P elements |
B. | Artificial, S elements |
C. | Natural, P elements |
D. | Natural, S elements |
Answer» D. Natural, S elements | |
8. |
In Drosophila, only nuclei cells give rise to germline cells. |
A. | True |
B. | False |
Answer» B. False | |