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
- 19. Cancer Genetics29m
- 20. Quantitative Genetics1h 26m
- 21. Population Genetics50m
- 22. Evolutionary Genetics29m
14. Genetic Control of Development
Developmental Patterning Genes
1:59 minutes
Problem 24a
Textbook Question
Textbook QuestionHomeotic genes are thought to regulate each other. Are similar interactions observed between Hox genes?
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Homeotic Genes
Homeotic genes are a group of regulatory genes that control the development of anatomical structures in various organisms. They play a crucial role in determining the identity of body segments during embryonic development. Mutations in these genes can lead to significant morphological changes, illustrating their importance in developmental biology.
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Segmentation Genes
Hox Genes
Hox genes are a specific subset of homeotic genes that are responsible for the anterior-posterior patterning of an organism's body plan. They are highly conserved across species and dictate the formation of structures such as limbs and organs in specific locations. The interactions and expression patterns of Hox genes are critical for proper developmental processes.
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Gene Regulation
Gene regulation refers to the mechanisms that control the expression of genes, determining when and how much of a gene product is made. In the context of homeotic and Hox genes, regulatory interactions can influence the expression of these genes, leading to coordinated developmental processes. Understanding these interactions is essential for grasping how complex body plans are established during development.
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