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Questions:
Read over the questions on each of the following pages. Make sure you can answer the ones below.
Go over any other questions on those pages your group sees as important or needs help with.
Pg 460 #1
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How does the concept of descent with modification explain both the diversity and unity of life?
Pg 473 # 1 &3
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Explain why genetic variation within a population is a prerequisite for evolution. What factors
can produce genetic differences between populations?
If a population stopped reproducing sexually (but still reproduced asexually) how would its
genetic variation be affected over time? (see pgs 257-259)
Pg 480 #2
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Distinguish genetic drift from gene flow in terms of (a) how they occur and (b) their implications
for future genetic variation in a population?
Pg 485 #3
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Consider a population in which heterozygotes at a certain locus have an extreme phenotype
(such as being larger than the homozygotes) that confers a selective advantage. Does such a
situation represent directional, disruptive, or stabilizing selection? Explain your answer.
Pg 498 #1-3
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Summarize the key differences between sympatric and allopatric speciation. Which type is
more common and why?
Pg 549 # 1
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Explain how comparing proteins of two species can yield data about the species’ evolutionary
relationship.