MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
During Strisinger s model, what happens? |
| A. | The Ribosome slips which causes duplication |
| B. | Parent strand slippage polymerase |
| C. | Daughter strand slippage polymerase |
| D. | The polymerase back tracks and resynthesizes |
| Answer» D. The polymerase back tracks and resynthesizes | |
| 2. |
If a gene undergoes duplication and one of the duplicated copy is mutated to render unexpressed protein. What will be the effect on phenotype? |
| A. | Mutant phenotype |
| B. | Normal phenotype |
| C. | Expression of the mutant gene is less than that would occur if both copy active |
| D. | The gene not expressed at all |
| Answer» C. Expression of the mutant gene is less than that would occur if both copy active | |
| 3. |
Which human chromosomes are involved in Down s syndrome? |
| A. | 6 |
| B. | 14 and 21 |
| C. | 8 and 12 |
| D. | X and Y |
| Answer» C. 8 and 12 | |
| 4. |
The Streisinger s model explains__________ |
| A. | Frame shifts |
| B. | Transposition |
| C. | Inversion |
| D. | Transition |
| Answer» B. Transposition | |