MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The formation of synaptonemal complex is ______________ DNA replication in zygotene. |
| A. | Before |
| B. | Simultaneous |
| C. | After |
| D. | Unrelated to |
| Answer» D. Unrelated to | |
| 2. |
There is a direct correlation between this unreplicated DNA and crossing over sites. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
What is the size of DNA that is left to be replicated in zygotene? |
| A. | 100 bp |
| B. | 1000kb |
| C. | 10<sup>4</sup> bp |
| D. | 10<sup>4</sup> kb |
| Answer» D. 10<sup>4</sup> kb | |
| 4. |
What is the percentage of DNA synthesized during zygotene? |
| A. | 50% |
| B. | 25% |
| C. | 5% |
| D. | 0.4% |
| Answer» E. | |
| 5. |
Which of the following will not be seen in zygotene? |
| A. | Synthesis of Histones |
| B. | Synthesis of DNA |
| C. | Formation of synaptonemal complex |
| D. | Equatorial positioning of chromosomes |
| Answer» E. | |
| 6. |
Which of the pairing is not feasible? |
| A. | Pairing between homologous chromosomes |
| B. | Pairing between homologous parts of non-homologous chromosome |
| C. | Pairing between 4 chromosomes following translocation |
| D. | Pairing between more than 2 chromosomes |
| Answer» E. | |
| 7. |
Pairing of chromosome is initiated by hydrodynamic force. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
If there is an improper attachment of spindle fiber, which protein sends the negative signal? |
| A. | Mcm |
| B. | Mdm2 |
| C. | Mad2 |
| D. | Mek |
| Answer» D. Mek | |
| 9. |
If the pairing starts at terminal and proceeds towards centre it is known as ________________ |
| A. | Procentric |
| B. | Proterminal |
| C. | Random |
| D. | Acrocentric |
| Answer» C. Random | |
| 10. |
Which of the following events is seen in zygotene phase? |
| A. | Synapsis |
| B. | Recombination |
| C. | Terminalization |
| D. | Equatorial ring formation |
| Answer» B. Recombination | |
| 11. |
Which of the following will you expect to see in zygotene stage? |
| A. | Condensed chromosome |
| B. | Thin chromatid |
| C. | Bead on a string model |
| D. | O shaped chromosome |
| Answer» B. Thin chromatid | |