Podcast
Questions and Answers
What is the main mechanism by which new genes/functions arise according to the text?
What is the main mechanism by which new genes/functions arise according to the text?
- Genome reduction
- Point mutations
- Gene duplication (correct)
- Horizontal gene transfer
Which of the following is NOT mentioned as a factor contributing to the evolution of bacterial genomes?
Which of the following is NOT mentioned as a factor contributing to the evolution of bacterial genomes?
- Gene acquisition
- Ribosomal RNA synthesis (correct)
- Mutation
- Genome reduction
According to the 'Mutation during non-functionality' model, how can new genes emerge?
According to the 'Mutation during non-functionality' model, how can new genes emerge?
- By random point mutations
- By horizontal gene transfer from other organisms
- By exclusively arising from de novo creation
- Through gene duplication and accumulation of mutations in the extra copy (correct)
Which term describes a scenario where an extra copy of an existing gene is produced during cell division?
Which term describes a scenario where an extra copy of an existing gene is produced during cell division?
What is Susumu Ohno's view on the origin of new genes?
What is Susumu Ohno's view on the origin of new genes?
Which process involves loss of a duplicated gene due to mutation and drift?
Which process involves loss of a duplicated gene due to mutation and drift?
In the context of gene duplication, what does t = 0 represent?
In the context of gene duplication, what does t = 0 represent?
How do mutations lead to the emergence of new functions in proteins according to the text?
How do mutations lead to the emergence of new functions in proteins according to the text?
'In a strict sense, nothing in evolution is created de novo.' Who is associated with this statement?
'In a strict sense, nothing in evolution is created de novo.' Who is associated with this statement?
'Mutation during non-functionality' Model proposes that new genes arise when:
'Mutation during non-functionality' Model proposes that new genes arise when:
