MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In pericentric inversion, the inversion loop involves __________ strands. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 2. |
Which of the following is an example of inversion? |
| A. | Chromosome 22 and 9 |
| B. | Chromosome 8 |
| C. | Chromosome 14 |
| D. | Chromosome 3 |
| Answer» E. | |
| 3. |
In drosophila male there is no cross over suppression due to pericentric inversion as___________ |
| A. | They have only one set of chromosome |
| B. | They always have double cross over |
| C. | They never recombine |
| D. | They don t undergo meiosis |
| Answer» D. They don t undergo meiosis | |
| 4. |
Long pericentric inversions generally don t act as cross over suppressors. Why? |
| A. | Long stretches of DNA recombination not recognized |
| B. | Mechanism is different for short and long inversions |
| C. | Two events of crossing over take place |
| D. | Cross over product in this is viable |
| Answer» D. Cross over product in this is viable | |
| 5. |
Consider this sequence A O B C D E F, be a DNA sequence where O is the centromere. Which of the following will be a pericentric inversion? |
| A. | A O B D E F |
| B. | B O A D E F |
| C. | D B O A E F |
| D. | A O E D B F |
| Answer» E. | |