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Hardy Weinberg Equilibrium II: The Equation

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question 1 of 3

The coat color gene of a population of squirrels is defined by a dominant allele G, which encodes a gray coat, and a recessive allele g, which encodes a black coat. In a population, genetic typing reveals the genotypic distribution to be 50 GG, 30 Gg, and 20 gg. What is the allelic frequency of the G allele?

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1. The coat color gene of a population of squirrels is defined by a dominant allele G, which encodes a gray coat, and a recessive allele g, which encodes a black coat. In a population, genetic typing reveals the genotypic distribution to be 50 GG, 30 Gg, and 20 gg. What is the allelic frequency of the g allele?

2. The coat color gene of a population of squirrels is defined by a dominant allele G, which encodes a gray coat, and a recessive allele g, which encodes a black coat. In a population, genetic typing reveals the genotypic distribution to be 50 GG, 30 Gg, and 20 gg. If this population is in equilibrium, then what should the genotypic frequency of GG squirrels in this population be?

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About This Quiz & Worksheet

The Hardy-Weinberg equation can be used to help understand genotypic frequency. This quiz/worksheet combo will give you problems to solve which require you to find the allelic or genotypic frequency of a given allele/trait.

Quiz & Worksheet Goals

In these genetics assessments, you'll be tested on:

  • Using the Hardy-Weinberg equation to determine allelic frequency
  • Practicing with the Hardy-Weinberg equation to find genotypic frequency

Skills Practiced

This quiz and worksheet allow students to practice and enhance the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related genetics lesson on the Hardy-Weinberg equation
  • Problem solving - use acquired knowledge to solve Hardy-Weinberg equation practice problems
  • Knowledge application - use the knowledge you've gained regarding allelic and genotypic frequency to help solve for the correct piece of information

Additional Learning

To learn more about the Hardy-Weinberg equation, review the accompanying lesson called Hardy Weinberg Equilibrium II: The Equation. This lesson works towards:

  • Providing an example of how the Hardy-Weinberg equilibrium equation can be used in practice
  • Explaining the purpose of the equation
  • Breaking down the equation to show how it's used
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