Podcast
Questions and Answers
Which family of retrotransposable elements is known for its high copy number in the human genome?
Which family of retrotransposable elements is known for its high copy number in the human genome?
- Copia
- Alu family (correct)
- L1 elements
- Ty elements
What is the characteristic feature of microsatellite DNA?
What is the characteristic feature of microsatellite DNA?
- Has highly variable array size and copy number (correct)
- Consists of arrays of long repeat units
- Found in heterochromatin
- Does not exhibit tandem repeats
What is a characteristic feature of LINEs (Long Interspersed Nuclear Elements) in mammals?
What is a characteristic feature of LINEs (Long Interspersed Nuclear Elements) in mammals?
- They are autonomous elements
- They are processed pseudogenes
- They are transcribed by RNA polymerase II (correct)
- They lack long terminal repeats
Which statement about transposable elements (TEs) is true?
Which statement about transposable elements (TEs) is true?
Which term is used to describe transposable elements that do not have the ability to transpose themselves?
Which term is used to describe transposable elements that do not have the ability to transpose themselves?
What type of repeats are typically found in microsatellite DNA?
What type of repeats are typically found in microsatellite DNA?
In maize, what term is used to describe controlling elements identified by Barbara McClintock?
In maize, what term is used to describe controlling elements identified by Barbara McClintock?
Which genetic element is known for causing many mutations with major phenotypic effects?
Which genetic element is known for causing many mutations with major phenotypic effects?
What is the function of reverse transcriptase and/or integrase in retrotransposable elements?
What is the function of reverse transcriptase and/or integrase in retrotransposable elements?
What is the characteristic length of transposable elements (TEs)?
What is the characteristic length of transposable elements (TEs)?
Which term describes short sequences distributed widely in the genome, such as LINEs and SINEs?
Which term describes short sequences distributed widely in the genome, such as LINEs and SINEs?
Where are microsatellite DNA sequences typically found in the genome?
Where are microsatellite DNA sequences typically found in the genome?
What is the mechanism of non-replicative transposition?
What is the mechanism of non-replicative transposition?
How did Barbara McClintock contribute to the study of transposable genetic elements?
How did Barbara McClintock contribute to the study of transposable genetic elements?
What can transposable elements cause in the genome rearrangement process?
What can transposable elements cause in the genome rearrangement process?
What did the discovery of Ds and Ac transposable elements suggest about their position on chromosomes?
What did the discovery of Ds and Ac transposable elements suggest about their position on chromosomes?
What is the main difference between non-replicative and replicative transposition?
What is the main difference between non-replicative and replicative transposition?
What role do transposons play as a substrate for cellular recombination?
What role do transposons play as a substrate for cellular recombination?
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