MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 15 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 an experiment your germ cell was having a base at its unusual tautomeric state while replication. What could be the maximum percentage of germ cells carrying this mutation? |
| A. | All |
| B. | 25% |
| C. | 50% |
| D. | 75% |
| Answer» D. 75% | |
| 2. |
The normal form for A and C, and G and T are _____________ |
| A. | Imino and Keto |
| B. | Imino and Enol |
| C. | Amino and Enol |
| D. | Amino and Keto |
| Answer» E. | |
| 3. |
Which sequences among these will have a preference for frame shift? |
| A. | TTTTTTTTTTTTTTT |
| B. | AUGATTCT |
| C. | CATGCATGCATG |
| D. | AUGCTGTCGUA |
| Answer» B. AUGATTCT | |
| 4. |
Which of the following can act as an intragenic suppressor mutation to a Frame shift mutation? |
| A. | Transition |
| B. | Missense mutation |
| C. | Another frame shift mutation |
| D. | Non sense mutation |
| Answer» D. Non sense mutation | |
| 5. |
Which of the following is a result of a sense mutation? |
| A. | Sickle cell anemia |
| B. | Thalassemia |
| C. | Mutation in beta globin leading to abnormal clotting and bleeding |
| D. | Down’s syndrome |
| Answer» C. Mutation in beta globin leading to abnormal clotting and bleeding | |
| 6. |
Which of the following is a neutral mutation? |
| A. | Replacement of a Glu by Val |
| B. | Replacement of AAA by UAA |
| C. | Replacement of Lys by Arg |
| D. | Replacement of Thr by Tyr |
| Answer» D. Replacement of Thr by Tyr | |
| 7. |
Wooble base recognition of the tRNAs in translation ignores which of the mutation? |
| A. | Frame shift |
| B. | Neutral |
| C. | Silent |
| D. | Sense |
| Answer» D. Sense | |
| 8. |
A frame shift mutation will have minimum effect when it leads to ______________ |
| A. | Insertion of 2 bases |
| B. | Deletion of 1 base |
| C. | Insertion of 3 bases |
| D. | Deletion of 2 bases |
| Answer» D. Deletion of 2 bases | |
| 9. |
Sickle cell anemia is a result of _______________ |
| A. | Non sense mutation |
| B. | Mis-sense mutation |
| C. | Sense mutation |
| D. | Frame shift mutation |
| Answer» C. Sense mutation | |
| 10. |
Total number of transition and transversion that can take place in genome is___________ |
| A. | 2 and 6 |
| B. | 6 and 4 |
| C. | 4 and 6 |
| D. | 4 and 8 |
| Answer» E. | |
| 11. |
The number of times a particular mutation occurs in a population of cells or individuals is known as __________ |
| A. | Mutation rate |
| B. | Mutation frequency |
| C. | Mutation count |
| D. | Mutation efficiency |
| Answer» C. Mutation count | |
| 12. |
Which of the following harmful mutations will have the most severe effect in the progeny? |
| A. | Mutation in a muscle tissue |
| B. | Mutation in a gamete |
| C. | Mutation in sperm mother cells |
| D. | Mutation in mammary gland tissue |
| Answer» D. Mutation in mammary gland tissue | |
| 13. |
‘Delicious apples’ can’t be propagated through_____________ |
| A. | Stem |
| B. | Leaf |
| C. | Seed |
| D. | Tissue culture |
| Answer» D. Tissue culture | |
| 14. |
Which of the following is not a point mutation? |
| A. | Substitution |
| B. | Transposition |
| C. | Insertion |
| D. | Transversion |
| Answer» C. Insertion | |
| 15. |
All mutations result in the production of a mutant. |
| A. | True |
| B. | False |
| Answer» C. | |