Podcast
Questions and Answers
What causes gene duplication?
What causes gene duplication?
- Replication slippage
- Random mutation
- Retrotransposition
- Unequal crossing over (correct)
Which process involves DNA polymerase losing its place and copying a segment of chromosomes twice?
Which process involves DNA polymerase losing its place and copying a segment of chromosomes twice?
- Exon shuffling
- Recombination
- Replication slippage (correct)
- Horizontal gene transfer
What is the result of retrotransposition?
What is the result of retrotransposition?
- Reverse transcription of introns
- Integration into the genome (correct)
- Deletion of genetic material
- Formation of new genes
What is the main difference between duplicated genes and their parental copies?
What is the main difference between duplicated genes and their parental copies?
Which process leads to the mixing of genes within the same species?
Which process leads to the mixing of genes within the same species?
What does horizontal gene transfer involve?
What does horizontal gene transfer involve?
What is the primary reason that new genes, de novo genes, often get lost in a population?
What is the primary reason that new genes, de novo genes, often get lost in a population?
What is the outcome when a gene duplicates through retrotransposition?
What is the outcome when a gene duplicates through retrotransposition?
In gene families, what happens to paralogs as a result of neofunctionalization?
In gene families, what happens to paralogs as a result of neofunctionalization?
How does gene conversion contribute to genetic variation?
How does gene conversion contribute to genetic variation?
What is a characteristic feature of pseudogenes in terms of evolution?
What is a characteristic feature of pseudogenes in terms of evolution?
Which trend describes how DNA bases evolve within protein-coding genes?
Which trend describes how DNA bases evolve within protein-coding genes?