Human Genetics, 10th Edition, (Lewis)

Chapter 15: Changing Allele Frequencies

Learning Outcomes


15.1

 

Nonrandom Mating

1.

  

Explain how nonrandom mating changes allele frequencies in populations.

15.2

 

Migration

2.

  

Explain how migration changes allele frequencies in populations.

15.3

 

Genetic Drift

3.

  

Explain how genetic drift affects genetic diversity.

15.4

 

Mutation

4.

  

Discuss how mutation affects populations.

15.5

 

Natural Selection

5.

  

Provide examples of negative, positive, and artificial selection.

6.

  

Explain how balanced polymorphism maintains diseases in populations.

15.6

 

Putting It All Together: PKU

7.

  

Describe the forces that have affected the prevalence of PKU.

15.7

 

Eugenics

8.

  

Explain how eugenics attempts to alter allele frequencies.

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