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This section includes 12 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 sites of DNA, which have a high probability of crossing over? |
A. | Cold spots |
B. | Hot spots |
C. | Covalent bond |
D. | Hydrophobic bond |
Answer» C. Covalent bond | |
2. |
Two genes are 70cM apart, calculate the recombination frequency? |
A. | 50% |
B. | 100% |
C. | 25% |
D. | 23% |
Answer» B. 100% | |
3. |
TWO_GENES_ARE_70CM_APART,_CALCULATE_THE_RECOMBINATION_FREQUENCY??$ |
A. | 50% |
B. | 100% |
C. | 25% |
D. | 23% |
Answer» B. 100% | |
4. |
Name_the_sites_of_DNA,_which_have_a_high_probability_of_crossing_over?$ |
A. | Cold spots |
B. | Hot spots |
C. | Covalent bond |
D. | Hydrophobic bond |
Answer» C. Covalent bond | |
5. |
Name the organism whose first genetic map was made? |
A. | Rat |
B. | Arabidopsis |
C. | Fly |
D. | Drosophila |
Answer» E. | |
6. |
Failure in which of the following phenomenon would result in linkage? |
A. | Law of dominance |
B. | Law of segregation |
C. | Law of independent assortment |
D. | Law of separation |
Answer» D. Law of separation | |
7. |
Name the phenomenon which can break the occurrence of linkage? |
A. | Crossing over |
B. | Linkage |
C. | Reconstruction |
D. | Breakage |
Answer» B. Linkage | |
8. |
What is the maximum percentage of recombination frequency between two genes? |
A. | 75% |
B. | 100% |
C. | 50% |
D. | 25% |
Answer» C. 50% | |
9. |
What is the unit of linkage map? |
A. | Morgan |
B. | Centi-morgan |
C. | Centimeter |
D. | Angstrom |
Answer» C. Centimeter | |
10. |
The linkage maps are constructed by using recombination frequencies between genes. |
A. | True |
B. | False |
Answer» B. False | |
11. |
Which of the following statement is NOT true regarding linkage group? |
A. | Group of physically linked genes |
B. | Represent a haploid number of chromosomes |
C. | Shown by linkage map |
D. | Linkage groups are not correlated with each other |
Answer» E. | |
12. |
The tendency of two or more than two genes to stay together during inheritance is called ___________ |
A. | Genetics |
B. | Gene interaction |
C. | Crossing over |
D. | Linkage |
Answer» E. | |