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  • Developing an Explanation for Mouse Fur Color

    Developing an Explanation for Mouse Fur Color

    Activities

    Students collect and analyze evidence for each of the major conditions for evolution by natural selection to develop an explanation for how populations change over time. Also available in Spanish.

  • Patterns in the Distribution of Lactase Persistence

    Patterns in the Distribution of Lactase Persistence

    Activities

    Students explore the geographic distribution of lactase persistence around the world by analyzing real data collected by scientists.

  • Using Genetic Evidence to Identify Ivory Poaching Hotspots

    Using Genetic Evidence to Identify Ivory Poaching Hotspots

    Data Points

    A team of scientists analyzed the DNA from seized ivory to determine where the ivory from poached elephants came from.

  • CSI Wildlife

    CSI Wildlife

    Click & Learn

    In this interactive, students use DNA profiling, or fingerprinting, to solve two cases of elephant poaching. In the process they will learn about genetic markers, PCR, gel electrophoresis, allele frequencies, and population genetics.

  • Rescuing Species

    Rescuing Species

    Science Talks

    (29 min 1 sec) How to preserve genetic diversity that is threatened by habitat loss.

  • Teacher Guide: Evolution

    Teacher Guide: Evolution

    Resource Guides

    Topics include: natural selection, artificial selection, population genetics, human adaptations and evolution, and phylogenetics.

  • Mendelian Genetics, Probability, Pedigree, and Chi-Square Statistics

    Mendelian Genetics, Probability, Pedigree, and Chi-Square Statistics

    Activities

    A lesson that requires students to work through a series of questions pertaining to the genetics of sickle cell disease and its relationship to malaria. These questions will probe students' understanding of Mendelian genetics, probability, pedigree analysis, and chi-square statistics. Also available in Spanish.

  • Population Genetics, Selection, and Evolution

    Population Genetics, Selection, and Evolution

    Activities

    A hands-on activity that uses simulations with beads to teach students about population genetics, the Hardy-Weinberg principle, and how natural selection alters the frequency distribution of heritable traits. Also available in Spanish.

  • Natural Selection of Lactose Tolerance

    Natural Selection of Lactose Tolerance

    Animations

    (46 sec) Environmental and cultural factors can affect whether a new human mutation becomes common in a population.

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