MCQOPTIONS
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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 | |