Download Chapter 17 Test Study Topics

Biology Chapter 17 Test Study Topics
Test Date: Monday, April 4
Section 17-1: Genes and Variation
Terms to define/identify/give an example:
Allele frequency
Gene pool
Polygenic trait
Single-gene trait
Other topics to know:
- The genetic definition of evolution
- Now natural selection affects genotypes by acting on phenotypes
- Sources of genetic variation
- Single-gene vs polygenic traits in terms of phenotypes
Section 17-2: Evolution as Genetic Change in Populations
Terms to define/identify/give an example:
Bottleneck effect
Directional selection
Disruptive selection
Founder effect
Genetic drift
Genetic equilibrium
Hardy-Weinberg principle
Sexual selection
Other topics to know:
- How natural selection affects single-gene and polygenic traits
- What is required for genetic equilibrium?
- Study Figure 17-7, 17-8
Section 17-3: The Process of Speciation
Terms to define/identify/give an example:
Behavioral isolation
Geographic isolation
Reproductive isolation
Speciation
Species
Temporal isolation
Other topics to know:
- Types of isolation leading to speciation
- Study Figure 17-11, 17-13, 17-14, 17-15, 17-16, 17-17