Podcast
Questions and Answers
What is the primary mode of movement for transposable elements?
What is the primary mode of movement for transposable elements?
- Cut-and-paste mechanism (correct)
- Site-specific recombination
- Homologous recombination
- RNA splicing
How do some transposable elements differ in their movement?
How do some transposable elements differ in their movement?
- By site-specific recombination
- Via translation
- By utilizing an RNA intermediate (correct)
- Through RNA interference
What is a characteristic of relics of mobile genetic elements?
What is a characteristic of relics of mobile genetic elements?
- They are capable of moving between cells
- They possess a high degree of mobility
- They have acquired mutations and are incapable of moving (correct)
- They integrate into chromosomal DNA
How do viruses primarily move between cells?
How do viruses primarily move between cells?
What is the composition of about half of the human genome?
What is the composition of about half of the human genome?
Which type of recombination does not require the alignment of homologous chromosomes?
Which type of recombination does not require the alignment of homologous chromosomes?
What is the main characteristic of insertion sequences?
What is the main characteristic of insertion sequences?
Which type of transposition involves the excision of the transposon via cuts on each side and its movement to a new location?
Which type of transposition involves the excision of the transposon via cuts on each side and its movement to a new location?
What is the primary difference between simple transposons and complex transposons?
What is the primary difference between simple transposons and complex transposons?
What happens to the target-site sequence during replicative transposition?
What happens to the target-site sequence during replicative transposition?
Which enzyme promotes the process of transposition by facilitating the movement of DNA sequences?
Which enzyme promotes the process of transposition by facilitating the movement of DNA sequences?
What type of cut is made at the target site during the insertion of a transposon?
What type of cut is made at the target site during the insertion of a transposon?
What is the primary mechanism cells use to fix a broken chromosome?
What is the primary mechanism cells use to fix a broken chromosome?
During homologous recombination, what is used as a template in repair and meiotic crossover?
During homologous recombination, what is used as a template in repair and meiotic crossover?
In site-specific genetic recombination, what nucleophilic group attacks the phosphodiester bond at the cleavage site?
In site-specific genetic recombination, what nucleophilic group attacks the phosphodiester bond at the cleavage site?
What is formed when cleaved DNAs are rejoined during site-specific recombination?
What is formed when cleaved DNAs are rejoined during site-specific recombination?
What determines the outcome of site-specific genetic recombination?
What determines the outcome of site-specific genetic recombination?
If two recombination sites are on the same DNA molecule and have the same orientation, what is the likely outcome?
If two recombination sites are on the same DNA molecule and have the same orientation, what is the likely outcome?
