Chapter 24 – Genome Evolution
43. The best explanation for why a mouse develops into a mouse and not a human is
44. What type of genes would be most likely to exhibit different expression patterns between
humans and non-human primates, such as gorillas?
Chapter 24 – Genome Evolution
Clarify Question
•
What is the key concept addressed by the question?
o This question addresses gene expression patterns.
• What type of thinking is required?
• What key words does the question contain and what do they mean?
Gather Content
• What do you already know about gene expression patterns?
Consider Possibilities
• Consider the different answer options. Which can you rule out?
Choose Answer
• Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
• Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 24 – Genome Evolution
Check All That Apply Questions
45. Genome sequencing of our human ancestor, Neanderthals (Homo neanderthalensis),
revealed that Neanderthals have a FOXP2 gene with the same two amino acid changes
observed in H. sapiens FOXP2. What can be concluded based on this finding? (Check all that
apply)
_____ Neanderthals evolved from H. sapiens.
Chapter 24 – Genome Evolution
Clarify Question
• What is the key concept addressed by the question?
• What type of thinking is required?
• What key words does the question contain and what do they mean?
Gather Content
• What do you already know about FOXP2?
Consider Possibilities
• Consider the different answer options. Which can you rule out?
Choose Answer
• Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
• Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 24 – Genome Evolution
Multiple Choice Questions
46. Recent research has suggested that some pseudogenes and non-protein-coding DNA code
for RNAs that affect transcription of coding regions. This suggests that
Chapter 24 – Genome Evolution
Clarify Question
• What is the key concept addressed by the question?
• What type of thinking is required?
• What key words does the question contain and what do they mean?
Gather Content
• What do you already know about non-protein-coding DNA?
Consider Possibilities
• Consider the different answer options. Which can you rule out?
Choose Answer
• Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
• Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 24 – Genome Evolution
47. Choose the true statement about genome size and gene number in animals.
48. Plant species regularly hybridize in nature, but only some crosses result in new polyploid
species. Of the crosses below, if each one occurred, which would be most likely to result in a
new stable polyploid species?
Chapter 24 – Genome Evolution
Clarify Question
• What is the key concept addressed by the question?
• What type of thinking is required?
• What key words does the question contain and what do they mean?
Gather Content
• What do you already know about polyploidy?
Consider Possibilities
• Consider the different answer options. Which can you rule out?
Choose Answer
• Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
• Did your problem-solving process lead you to the correct answer? If not, where did the
Chapter 24 – Genome Evolution
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Check All That Apply Questions
49. How can analysis of mammalian genomes be used to detect and treat human disease?
Check all that apply.
Multiple Choice Questions
Chapter 24 – Genome Evolution
50. The best target for drug development would be
Chapter 24 – Genome Evolution
Clarify Question
• What is the key concept addressed by the question?
• What type of thinking is required?
• What key words does the question contain and what do they mean?
Gather Content
• What do you already know about drug development?
Consider Possibilities
• What other information is related to the question? Which information is most useful?
Choose Answer
• Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
• Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 24 – Genome Evolution
Check All That Apply Questions
51. Choose the true statements about the role of genome analysis in crop improvement. Check
all that apply.
Multiple Choice Questions
52. During meiosis, a hexaploid hybrid spontaneously eliminates one set of chromosomes
(eliminates 1n). What is the most likely result of this deletion?
Chapter 24 – Genome Evolution
Clarify Question
• What is the key concept addressed by the question?
• What type of thinking is required?
• What key words does the question contain and what do they mean?
Gather Content
• What do you already know about polyploidy?
Consider Possibilities
• Consider the different answer options. Which can you rule out?
Chapter 24 – Genome Evolution
Choose Answer
• Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
• Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Check All That Apply Questions
53. Hox genes are a family of transcription factors that regulate development throughout the
animal kingdom. Studies of Hox genes in mice and Drosophila showed that many Hox genes
are conserved between both species, and several Hox genes duplicated into new genes with
novel functions within mice. Some Hox genes have even lost all function. Hox genes provide
an example of which of the following? Check all that apply.
Chapter 24 – Genome Evolution
Clarify Question
• What is the key concept addressed by the question?
o This question addresses homology.
• What type of thinking is required?
• What key words does the question contain and what do they mean?
Gather Content
• What do you already know about homology?
Consider Possibilities
• Consider the different answer options. Which can you rule out?
Choose Answer
• Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
• Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Multiple Choice Questions
Chapter 24 – Genome Evolution
54. Petrels (a flying and diving seabird) are thought to be one of the closest living relatives to
penguins. What type of genes would be most likely to exhibit different expression patterns
between these species?
Chapter 24 – Genome Evolution
Clarify Question
• What type of thinking is required?
• What key words does the question contain and what do they mean?
Gather Content
• What do you already know about gene expression patterns?
Consider Possibilities
• Consider the different answer options. Which can you rule out?
Choose Answer
• Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
• Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
Chapter 24 – Genome Evolution
more desirable result?
55. Crop sunflowers are attacked by many fungal pathogens, such as downy mildew and
Sclerotinia, resulting in economic losses of millions of dollars per year. What genes would be
best to target for the development of new fungus-killing crop treatments (fungicides)?
Chapter 24 – Genome Evolution
Clarify Question
• What is the key concept addressed by the question?
• What type of thinking is required?
• What key words does the question contain and what do they mean?
Gather Content
• What do you already know about drug development?
Consider Possibilities
• What other information is related to the question? Which information is most useful?
Choose Answer
• Given what you now know, what information and/or problem solving approach is most
likely to produce the correct answer?
Reflect on Process
• Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?