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This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Bioinformatics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Tracking the evolutionary history of individual genes in a group of species can reveal which genes have remained in a genome for a long time and which genes have been horizontally transferred between species. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Two more recent uses of phylogenetic analysis are to analyze ______ and to trace the evolutionary history of specific genes. Which of the following could not be the correct blank? |
| A. | gene families |
| B. | genomes |
| C. | proteomes |
| D. | physical separation methods |
| Answer» E. | |
| 3. |
The traditional use of phylogenetic analysis is to discover evolutionary relationships among species. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
A common recommendation is to use at least two of the methods maximum parsimony, distance, or maximum likelihood, for the analysis. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
In the final steps of the bootstrap method, the _____ the decay value, the _______ significant the original branches. |
| A. | greater, less |
| B. | greater, more |
| C. | lesser, more |
| D. | more, less |
| Answer» C. lesser, more | |
| 6. |
In the bootstrap method, the data are resampled by _____ choosing _____ columns from the aligned sequences to produce, in effect, a new sequence alignment of the _____ |
| A. | randomly, horizontal, same length |
| B. | specifically, vertical, different lengths |
| C. | randomly, vertical, same length |
| D. | randomly, vertical, different lengths |
| Answer» D. randomly, vertical, different lengths | |
| 7. |
For sequences that have ________ a phylogenetic analysis is __________ |
| A. | diverged considerably, more challenging |
| B. | not diverged, more challenging |
| C. | diverged considerably, less challenging |
| D. | diverged considerably, a less work to do |
| Answer» B. not diverged, more challenging | |