Table of contents

1. Introduction to Genetics51m
2. Mendel's Laws of Inheritance3h 37m
3. Extensions to Mendelian Inheritance2h 41m
4. Genetic Mapping and Linkage2h 28m
5. Genetics of Bacteria and Viruses1h 21m
6. Chromosomal Variation1h 48m
7. DNA and Chromosome Structure56m
8. DNA Replication1h 10m
9. Mitosis and Meiosis1h 34m
10. Transcription1h 0m
11. Translation58m
12. Gene Regulation in Prokaryotes1h 19m
13. Gene Regulation in Eukaryotes44m
14. Genetic Control of Development44m
15. Genomes and Genomics1h 50m
16. Transposable Elements47m
17. Mutation, Repair, and Recombination1h 6m
18. Molecular Genetic Tools19m
- Genetic Cloning
  9m
- Methods for Analyzing DNA
  9m
19. Cancer Genetics29m
- Overview of Cancer
  21m
- Cancer Mutations
  7m
20. Quantitative Genetics1h 26m
21. Population Genetics50m
- Hardy Weinberg
  19m
- Allelic Frequency Changes
  31m
22. Evolutionary Genetics29m

16. Transposable Elements

Transposable Elements in Eukaryotes

Genetics

16. Transposable Elements

Transposable Elements in Eukaryotes

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Multiple Choice

Which of the following is an example of a safe haven for transposon movement?

Intron

Exon

Promoter

Enhancer

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Understand the concept of transposons: Transposons, also known as 'jumping genes', are DNA sequences that can change their position within the genome. This movement can disrupt or modify genes and regulatory regions.

Identify what a 'safe haven' means in the context of transposon movement: A 'safe haven' is a region in the genome where the insertion of a transposon is less likely to disrupt essential genetic functions.

Consider the role of introns: Introns are non-coding regions within a gene that are removed during RNA splicing. Since they do not code for proteins, insertions here are less likely to disrupt gene function, making them a potential 'safe haven'.

Evaluate the other options: Exons are coding regions that directly affect protein synthesis, so transposon insertion here can be disruptive. Promoters and enhancers are regulatory regions crucial for gene expression, and their disruption can have significant effects.

Conclude that introns, being non-coding and less likely to affect gene function when disrupted, serve as a 'safe haven' for transposon movement compared to exons, promoters, and enhancers.