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Product 13845

By: The Flinn Staff

With the Population Genetics and Evolution Classic Lab Kit for AP® Biology, use the Hardy-Weinberg equilibrium equation and explore how population changes affect the principle.

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Is the population evolving? In the first activity, students use the Hardy-Weinberg equilibrium equation to determine the allele frequency of PTC tasters versus nontasters in the class. The second activity explores the changes of a large population to see how various conditions effect the Hardy-Weinberg principle. The entire class makes up the population as students use allele cards and specific case by case conditions to explore an ideal population as well as how natural selection, heterozygote advantage and genetic drift affect the overall genetics of a population. All the materials needed to complete this laboratory are included.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Asking questions and defining problems
Planning and carrying out investigations
Using mathematics and computational thinking
Engaging in argument from evidence
Obtaining, evaluation, and communicating information

Disciplinary Core Ideas

HS-LS3.A: Inheritance of Traits
HS-LS4.B: Natural Selection
HS-LS4.C: Adaptation

Crosscutting Concepts

Patterns
Cause and effect
Stability and change

Performance Expectations

HS-LS3-2. Make and defend a claim based on evidence that inheritable genetic variations may result from (1) new genetic combinations through meiosis, (2) viable errors occurring during replication, and/or (3) mutations caused by environmental factors.
HS-LS3-3. Apply concepts of statistics and probability to explain the variation and distribution of expressed traits in a population.
HS-LS4-2. Construct an explanation based on evidence that the process of evolution primarily results from four factors: (1) the potential for a species to increase in number, (2) the heritable genetic variation of individuals in a species due to mutation and sexual reproduction, (3) competition for limited resources, and (4) the proliferation of those organisms that are better able to survive and reproduce in the environment.
HS-LS4-3. Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.