MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the base incorporated by pol eta against a DNA CPD lesion? |
| A. | AT |
| B. | GC |
| C. | GG |
| D. | AA |
| Answer» E. | |
| 2. |
You have two circular chromosomes that are undergoing homologous recombination. The resolution of Holliday intermediate will give rise to _________________ |
| A. | 4 smaller circular chromosomes |
| B. | 2 smaller circular chromosomes |
| C. | One larger circular chromosome or two smaller chromosomes |
| D. | 3 same sized circular chromosome |
| Answer» D. 3 same sized circular chromosome | |
| 3. |
Defect in which of these genes produce an increased propensity to breast cancer? |
| A. | MTHF poly glu |
| B. | PKC |
| C. | BRCA 1 |
| D. | XPB |
| Answer» D. XPB | |
| 4. |
How many Holliday branch points are produced during DSB repair? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | None |
| Answer» C. 3 | |
| 5. |
Single stranded nicks can be repaired without any loss of genetic material by which of the following processes? |
| A. | MMR |
| B. | NER |
| C. | Recombinational repair |
| D. | NHEJ |
| Answer» D. NHEJ | |
| 6. |
Which factor helps in generation of chicken foot Holliday intermediate? |
| A. | Rec A |
| B. | Rec BCD |
| C. | Ruv ABC |
| D. | Rec FOR |
| Answer» E. | |
| 7. |
Choose the endonuclease that can cuts double strand of DNA. |
| A. | Mut H |
| B. | Ruv C |
| C. | EcoRI |
| D. | S1 |
| Answer» D. S1 | |
| 8. |
Which factor in the resolve some drives branch migration? |
| A. | Ruv A |
| B. | Ruv B |
| C. | Ruv C |
| D. | Ruv Z |
| Answer» C. Ruv C | |