Podcast
Questions and Answers
Which mechanism involves the insertion, deletion, and rearrangement of DNA?
Which mechanism involves the insertion, deletion, and rearrangement of DNA?
- Homologous recombination
- Loss of function drivers
- Point mutation
- Illegitimate recombination (correct)
What is a common driver of loss of function according to the text?
What is a common driver of loss of function according to the text?
- Absence of purifying selection for gene function (correct)
- Adaptive gain of function
- Maximizing metabolic burden
- Increased gene expression
According to Hughes and Andersson (2015), what is a key consideration in the cost/benefit analysis of reduced genome content?
According to Hughes and Andersson (2015), what is a key consideration in the cost/benefit analysis of reduced genome content?
- Maximizing metabolic burden
- Enhancing genetic diversity
- Minimizing adaptive potential
- Balancing deletions to insertions (correct)
Why might strategies to minimize gene loss in the absence of selection be beneficial for bacterial survival?
Why might strategies to minimize gene loss in the absence of selection be beneficial for bacterial survival?
Which process leads to improved fitness by favoring the loss of function?
Which process leads to improved fitness by favoring the loss of function?
What is a common feature of lysogenic conversion in bacterial pathogens?
What is a common feature of lysogenic conversion in bacterial pathogens?
Which of the following bacteria encode the Cholera toxin as part of lysogenic conversion?
Which of the following bacteria encode the Cholera toxin as part of lysogenic conversion?
In generalized transduction, what does the packaging start from in phages?
In generalized transduction, what does the packaging start from in phages?
How is the process of packaging DNA in phages during generalized transduction analogized in the text?
How is the process of packaging DNA in phages during generalized transduction analogized in the text?
What is a key feature that differentiates pathogenicity islands (PAIs) from other genomic islands?
What is a key feature that differentiates pathogenicity islands (PAIs) from other genomic islands?
What is an essential role of transposons in bacterial genomes?
What is an essential role of transposons in bacterial genomes?
What type of mutations can cause a gene to lose function and become a pseudogene?
What type of mutations can cause a gene to lose function and become a pseudogene?
How can missense mutations contribute to the formation of pseudogenes?
How can missense mutations contribute to the formation of pseudogenes?
In the context of new lifestyle adaptation, what role can pseudogenes play according to new thinking?
In the context of new lifestyle adaptation, what role can pseudogenes play according to new thinking?
What is the main reason pseudogenes are not always eliminated despite selective pressure?
What is the main reason pseudogenes are not always eliminated despite selective pressure?
Which of the following statements best describes pathoadaptation in the evolution of pseudogenes?
Which of the following statements best describes pathoadaptation in the evolution of pseudogenes?
Based on new thinking, what potential role do pseudogenes play in pathogenic evolution?
Based on new thinking, what potential role do pseudogenes play in pathogenic evolution?
