Podcast
Questions and Answers
What is the term used to describe minor changes in a virus due to mutations in its DNA or RNA?
What is the term used to describe minor changes in a virus due to mutations in its DNA or RNA?
- Antigenic shift
- Point mutations (correct)
- Recombination
- Resistant mutations
When two genetically distinct viruses infect a cell, what process results in a major change in the virus's genome?
When two genetically distinct viruses infect a cell, what process results in a major change in the virus's genome?
- Recombination
- Genetic interaction
- Antigenic drift
- Antigenic shift (correct)
What type of genetic interaction among viruses results in progeny with traits not found in either parent?
What type of genetic interaction among viruses results in progeny with traits not found in either parent?
- Antigenic shift
- Point mutations
- Antigenic drift
- Recombination (correct)
Which mechanism involves the exchange of genetic material between different chromosomes or regions within the same chromosome in viruses?
Which mechanism involves the exchange of genetic material between different chromosomes or regions within the same chromosome in viruses?
What kind of mutations do not change the protein encoded by a gene in a virus?
What kind of mutations do not change the protein encoded by a gene in a virus?
In which type of viruses does recombination generally occur, mediated by homology?
In which type of viruses does recombination generally occur, mediated by homology?
What is the classic mechanism of recombination?
What is the classic mechanism of recombination?
What is the process called when two chromosomes (M and F) break and rejoin to produce two re-arranged chromosomes (C1 and C2)?
What is the process called when two chromosomes (M and F) break and rejoin to produce two re-arranged chromosomes (C1 and C2)?
What is the characteristic of a recombinant virus with a stable genome?
What is the characteristic of a recombinant virus with a stable genome?
For viruses with segmented genomes (RNA viruses), how is the formation of recombinants caused?
For viruses with segmented genomes (RNA viruses), how is the formation of recombinants caused?
What is the evolutionary advantage conferred by segmented genomes in viruses like influenza?
What is the evolutionary advantage conferred by segmented genomes in viruses like influenza?
What is the process called when different strains of a virus with a segmented genome shuffle/mix and combine genes to produce offspring with unique characteristics?
What is the process called when different strains of a virus with a segmented genome shuffle/mix and combine genes to produce offspring with unique characteristics?
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