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Chapter 23 Reading Guide: Evolutionary Processes
Name: _____________________
23.1 Analyzing Change in Allele Frequencies
1. Define the following terms:
a. population-
b. gene pool-
2. What are the 2 fundamental claims of the Hardy-Weinberg principle? (for #1, just what is in bold)
3. What are the 5 assumptions that the Hardy-Weinberg principle is based on? (just the bold headings)
23.2 Nonrandom Mating
4. Define the following terms:
a. inbreedingb. sexual selection23.3 Natural Selection
5. What is genetic variation?
6. Briefly describe the 4 types of selection:
a. directional selection-
b. stabilizing selection-
c. disruptive selection-
d. balancing selection-
7. What is the difference between intersexual and intrasexual selection?
8. What is the pattern and process of the fundamental asymmetry of sex?
9. In summary, females choose mates on the basis of:
1.
2.
3.
10. Define the following terms:
a. territoryb. sexual dimorphism-
c. ecological selection23.4 Genetic Drift
11. Define genetic drift and list the 3 important points.
1.
2.
3.
12. What is the founder effect?
13. What is genetic bottleneck?
23.5 Gene Flow
14. What is gene flow?
23.6 Mutation
15. Describe the 3 ways the following mutations can occur:
a. Point mutation-
b. Chromosome-level mutation-
c. Lateral gene transfer-