MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The cry-of-the-cat syndrome is due to a defect in chromosome __________ |
| A. | 2 |
| B. | 4 |
| C. | 5 |
| D. | 9 |
| Answer» D. 9 | |
| 2. |
Partial trisomy is the presence of _____ copies of a gene. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 3. |
When was the first correlation between a chromosomal deletion and human disorder first developed? |
| A. | 1963 |
| B. | 1973 |
| C. | 1983 |
| D. | 1993 |
| Answer» B. 1973 | |
| 4. |
Unlike the 23 pairs of chromosomes in human cells, chimpanzees have 24 pairs of chromosomes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Zygotes containing chromosomal deletion are produced by ___________ |
| A. | apoptosis |
| B. | abnormal mitosis |
| C. | abnormal meiosis |
| D. | necrosis |
| Answer» D. necrosis | |
| 6. |
The translocated part of Philadelphia chromosome is found on chromosome ________ |
| A. | 4 |
| B. | 9 |
| C. | 11 |
| D. | 13 |
| Answer» C. 11 | |
| 7. |
The Philadelphia chromosome is the best studied example of ________________ |
| A. | inversion |
| B. | translocation |
| C. | deletion |
| D. | duplication |
| Answer» C. deletion | |
| 8. |
Inversions can lead to a deletion or duplication in the chromosome. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Which is not a type of chromosomal aberration? |
| A. | mutations |
| B. | inversion |
| C. | translocation |
| D. | duplication |
| Answer» B. inversion | |
| 10. |
Which of the following is a rare genetic disorder? |
| A. | Myeloma |
| B. | Meningitis |
| C. | Fanconi anemia |
| D. | Breast cancer |
| Answer» D. Breast cancer | |
| 11. |
The chromosomal aberrations follow _____________________ |
| A. | chromosomal breakage |
| B. | meiosis |
| C. | mitosis |
| D. | necrosis |
| Answer» B. meiosis | |
| 12. |
Most alterations in the genes occur during ____________________ |
| A. | cell division |
| B. | motility |
| C. | anaerobic conditions |
| D. | sunlight exposure |
| Answer» B. motility | |
| 13. |
Mutations in which of the following genes lead to a rare form of muscular dystrophy? |
| A. | lamin |
| B. | tannin |
| C. | gerotonin |
| D. | rennin |
| Answer» B. tannin | |