Outcomes

116 - 2: SCO: Analyze and describe examples where scientific understanding was enhanced or revised as the result of the invention of a technology.

  • State the Hardy-Weinberg law and explain its significance in terms of the development of evolutionary theories.
  • Perform calculations involving Hardy-Weinberg equilibrium.

Introduction

Audio file with introduction for ILO10

You now know either from the last ILO or from your instructor that in order for a population to evolve there must be variation in it. For example if all the moose on the island of Newfoundland and Labrador were genetically identical, all offspring would be the same and no change would occur over time. We know that not all moose in Newfoundland and Labrador are the same, but how do we know they are evolving? One way is to use a model of a population that is not changing over time and then compare it to the population we are studying. In this ILO you will learn about a model of a nonevolving population  called the Hardy-Weinberg Equilibrium.

References

Read the following reference pages in the McGraw-Hill text:   681 - 686

Follow this link to view the Hardy-Weinberg Equilibrium.
Only Read the material on the page and stop when you arrive at the heading "When the Hardy-Weinberg Law fails to apply".

Try the activity on this site.  This site gives an excellent explanation of Hardy-Weinberg and conditions necessary to establish the equilibrium. There are some sample problems to try here as well.
Click on the next button in order to advance through the activity.

Prerequisites

  • An understanding of ILO 09 would be beneficial.

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