Balancing Selection: Heterozygote Advantage & Frequency-Dependent Selection

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Why is it important for populations to maintain some genetic variation?

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1. The heterozygote advantage describes which phenomenon?

2. Which best describes natural selection?

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About This Quiz & Worksheet

This combination quiz and worksheet will help you to better understand variations in genetics and how they come to pass. You will be asked about some definitions involving selection and how they interact with populations.

Quiz & Worksheet Goals

In the questions, you will be asked about:

  • Natural selection
  • Genetic variation
  • The heterozygote advantage
  • Balancing selection

Skills Practiced

The quiz and worksheet will help students to test these skills:

  • Making connections: See how genetic variation manifests in populations
  • Distinguishing differences: Witness how variation creates changes in populations
  • Knowledge application: Use what you know to describe selection
  • Defining key concepts: Be sure that you can describe selection and variation

Additional Learning

To learn some more info about selection, visit the lesson titled Balancing Selection: Heterozygote Advantage & Frequency-Dependent Selection. You will fulfill the following objectives with it:

  • Define natural selection
  • Explain balancing selection
  • Compare heterozygous and homozygous individuals
  • Analyze frequency-dependent selection
  • Study how certain phenotypes dominate in genes
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