IBBiology @Skyline High School

                                                                                                                                                                     

 

Population Genetics Unit Plan (8 days)

D.2.1

Define allele frequency and gene pool.

 

D.2.2

State that evolution involves a change in allele frequency in a population’s gene pool over a number of generations.

 

D.4.1

Explain how the Hardy–Weinberg equation is derived.

 

D.4.2

Calculate allele, genotype and phenotype frequencies for two alleles of a gene, using the Hardy–Weinberg equation.

 

D.4.3

State the assumptions made when the Hardy–Weinberg equation is used.

 

D.2.10

Describe one example of transient polymorphism.

 

D.2.11

Describe sickle-cell anemia as an example of balanced polymorphism.

 

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What You Need to Know

Define allele frequency and gene pool. 

Explain how the Hardy–Weinberg equations are derived.

Use the Hardy Weinberg equations to calculate allele, genotype and phenotype frequencies for two alleles of a gene.

State the assumptions made when the Hardy–Weinberg equation is used.  

Compare balanced and transient polymorphism

What is industrial melanism?  Describe how it is an example of transient polymorphism.

Explain how sickle cell anemia and malaria exhibit balanced polymorphism. 

Unit Activities List 

Population genetics unit plan (.doc)

Hardy Weinberg equilibrium activity (.doc)

Hardy Weinberg notes (.doc) from this master (pdf)

Hardy Weinberg practice problems

Gene frequency of human traits lab (.doc)

Effects of selection on Hardy Weinberg activity (.doc)

Modeling balanced polymorphism activity (.doc)

Transient and Balanced polymorphism reading (.doc)

Examples of transient and balanced polymorphisms (pdf)

Critically read Gene variants double edged

Haldane and population genetics reading

Kettlewell and the Peppered Moths reading

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Key Terms

 

  • allele
  • allele frequency
  • anemia
  • balanced polymorphism
  • equilibrium
  • gene flow
  • gene pool

 

  • genotype frequency
  • Hardy Weinberg
  • heterozygote advantage
  • industrial melanism
  • migration
  • mutation
  • p
  • phenotype frequency
  • population
  • q
  • random mating
  • selective pressure
  • sickle cell
  • transient polymorphism

 

 

 

 

 

 

 

 

 

 

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Helpful Links

 

 

"When we tug at a simple thing in nature, we find it attached to the rest of the world."  John Muir