MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Name the effect which shows the change in expression of alleles of the gene due to a specific environmental condition. |
| A. | Pleiotropy |
| B. | Linkage |
| C. | Phenocopy |
| D. | Penetrance |
| Answer» D. Penetrance | |
| 2. |
What is psudoallele? |
| A. | Allele with similar function |
| B. | Allele with similar structure |
| C. | Alleles with similar function and structure |
| D. | Alleles with similar function and different structure |
| Answer» E. | |
| 3. |
Which of the following does not show Mendel’s law of inheritance? |
| A. | Masking gene interaction |
| B. | Epistasis |
| C. | Supplementary gene interaction |
| D. | Codominance |
| Answer» E. | |
| 4. |
WHAT_IS_PSUDOALLELE??$ |
| A. | Allele with similar function |
| B. | Allele with similar structure |
| C. | Alleles with similar function and structure |
| D. | Alleles with similar function and different structure |
| Answer» E. | |
| 5. |
Name_the_effect_which_shows_the_change_in_expression_of_alleles_of_the_gene_due_to_a_specific_environmental_condition.$ |
| A. | Pleiotropy |
| B. | Linkage |
| C. | Phenocopy |
| D. | Penetrance |
| Answer» D. Penetrance | |
| 6. |
Name the phenomenon where two genes have the same expression of the character? |
| A. | Pleiotropy |
| B. | Phenocopy |
| C. | Penetrance |
| D. | Expressivity |
| Answer» B. Phenocopy | |
| 7. |
Choose the correct ratio, which shows the masking gene interaction? |
| A. | 12:3:1 |
| B. | 9:3:4 |
| C. | 1:2:1 |
| D. | 9:7 |
| Answer» B. 9:3:4 | |
| 8. |
Which of the following is NOT the type of epistasis? |
| A. | Dominant |
| B. | Recessive |
| C. | Collabrative |
| D. | Supplementary |
| Answer» D. Supplementary | |
| 9. |
What is epistasis? |
| A. | Type of linkage |
| B. | Masking or modifying gene effect |
| C. | Upper portion of a chromosome |
| D. | Group of genes |
| Answer» C. Upper portion of a chromosome | |
| 10. |
Crossing of two white flowers gives a colored flower, this shows complementary gene interaction. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Which of the following does not show Mendel’s law of inheritance?$ |
| A. | Masking gene interaction |
| B. | Epistasis |
| C. | Supplementary gene interaction |
| D. | Codominance |
| Answer» E. | |
| 12. |
Which of the following ratio shows complementary gene interaction? |
| A. | 9:7 |
| B. | 15:1 |
| C. | 1:2:1 |
| D. | 9:3:3:1 |
| Answer» B. 15:1 | |
| 13. |
The Phenomenon of two or more than two genes affecting the expression of each other is called ___________ |
| A. | Crossing over |
| B. | Pairing |
| C. | Gene interaction |
| D. | Linkage |
| Answer» D. Linkage | |