Podcast
Questions and Answers
Which genes control the spatial organization of body parts?
Which genes control the spatial organization of body parts?
- Homeotic genes (correct)
- Hox genes
- Master regulatory genes
- Developmental genes
What is the role of Hox genes in animal development?
What is the role of Hox genes in animal development?
- Control spatial organization
- Determine body form
- Facilitate gene duplication
- Provide positional information (correct)
How did six-legged insects likely evolve from a many-legged crustacean ancestor?
How did six-legged insects likely evolve from a many-legged crustacean ancestor?
- Changes in the Hox gene Ubx (correct)
- Regulatory changes in developmental genes
- Changes in gene sequence
- Gene duplication events
What is the likely role of new developmental genes arising from gene duplication events?
What is the likely role of new developmental genes arising from gene duplication events?
What causes the loss of spines in lake stickleback fish?
What causes the loss of spines in lake stickleback fish?
What can regulatory changes in developmental genes be limited to?
What can regulatory changes in developmental genes be limited to?
What is the likely role of changes in the regulation of developmental genes in the evolution of body form?
What is the likely role of changes in the regulation of developmental genes in the evolution of body form?
What are homeotic genes?
What are homeotic genes?
What is the likely role of Hox genes in the evolution of body form?
What is the likely role of Hox genes in the evolution of body form?
What is the likely role of changes in gene sequence in the evolution of body form?
What is the likely role of changes in gene sequence in the evolution of body form?
Which of the following is an example of heterochrony mentioned in the text?
Which of the following is an example of heterochrony mentioned in the text?
What does paedomorphosis refer to?
What does paedomorphosis refer to?
In paedomorphosis, how does the rate of reproductive development compare to somatic development?
In paedomorphosis, how does the rate of reproductive development compare to somatic development?
What can heterochrony alter in terms of reproductive development?
What can heterochrony alter in terms of reproductive development?
Which of the following is not an example of heterochrony?
Which of the following is not an example of heterochrony?
What is the result of increased growth rates of finger bones in bat wings?
What is the result of increased growth rates of finger bones in bat wings?
What is the main focus of the text?
What is the main focus of the text?
What does heterochrony refer to in the context of the text?
What does heterochrony refer to in the context of the text?
What is the result of paedomorphosis?
What is the result of paedomorphosis?
What is the term used to describe the elongated hand and finger bones in a bat wing?
What is the term used to describe the elongated hand and finger bones in a bat wing?