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  • Sodium Channel Evolution in Electric Fish

    Sodium Channel Evolution in Electric Fish

    Data Points

    Scientists investigated how gene duplication contributed to the evolution of electric fish.

  • Sex Verification Testing of Athletes

    Sex Verification Testing of Athletes

    Click & Learn

    This interactive module explores the biology of sex determination and development in humans, set against the backdrop of the different sex testing policies implemented throughout sports history.

  • Developing an Explanation for Mouse Fur Color

    Developing an Explanation for Mouse Fur Color

    Lessons

    In this activity, 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.

  • Cystic Fibrosis Mechanism and Treatment

    Cystic Fibrosis Mechanism and Treatment

    Animations

    (2 min 31 sec) This animation shows how mutations in an ion channel protein lead to the genetic disease cystic fibrosis. The animation also discusses how research on this protein has been used to develop treatments for the disease.

  • CRISPR-Cas 9 Mechanism & Applications

    CRISPR-Cas 9 Mechanism & Applications

    Click & Learn

    This interactive module explores how CRISPR-Cas9 technology works and the many ways in which scientists are using it in their research.

  • Pelvic Evolution in Sticklebacks

    Pelvic Evolution in Sticklebacks

    Data Points

    This activity guides the analysis of a published scientific figure from a study that used SNP genotyping to identify the mutations that result in morphological differences in stickleback fish.

  • “Fixing” Gene Expression

    “Fixing” Gene Expression

    Card Activities

    In this hands-on activity, students review the steps of eukaryotic gene expression and learn how this knowledge can be used to treat different genetic conditions. The activity reinforces concepts covered in the Click & Learn “Central Dogma and Genetic Medicine.”

  • Monkey Social Status and Immune Response

    Monkey Social Status and Immune Response

    Data Points

    This activity guides the analysis of a published scientific figure from a study on how social status affects the expression of genes involved in immune system processes.

  • Activity for Genes as Medicine

    Activity for Genes as Medicine

    Film Activities

    This activity explores the content and research presented in the short film Genes as Medicine, which tells the story of how scientists succeeded in developing a gene therapy for a type of congenital blindness.

  • The Search for a Mutated Gene

    The Search for a Mutated Gene

    Scientists at Work

    (8 min 54 sec) This video describes the case of a patient with retinitis pigmentosa (RP), a progressive disease that leads to blindness, and how physician-scientist Dr. Ed Stone approached the search for the causal mutation.

  • Genes as Medicine

    Genes as Medicine

    Short Films

    (17 min 16 sec) This film describes the scientific principles and the research efforts involved in the development of a gene therapy for a congenital form of blindness, and how a young patient benefited from this medical breakthrough.

  • Stalking the Genetic Basis of a Trait

    Stalking the Genetic Basis of a Trait

    Lessons

    This activity supports the film Popped Secret: The Mysterious Origin of Corn. Students analyze data on the expression of the tb1 gene to explain how variations in this gene played a role in the evolution of corn.

  • Central Dogma and Genetic Medicine

    Central Dogma and Genetic Medicine

    Click & Learn

    This interactive module uses the central dogma as a model for exploring how modern molecular biology technologies can be used to treat different genetic conditions.

  • Think Like a Scientist: Natural Selection in an Outbreak

    Think Like a Scientist: Natural Selection in an Outbreak

    Scientists at Work

    (7 min 29 sec) This video focuses on the front lines of the 2013–2016 Ebola outbreak in West Africa and explains how scientists monitored the evolution of the virus by analyzing its genome.

  • Genetically Modified Mosquitoes

    Genetically Modified Mosquitoes

    Scientists at Work

    (8 min 35 sec) This video describes the process by which a line of genetically modified mosquitoes was engineered to reduce populations of wild mosquitoes.

  • Understanding Variation in Human Skin Color

    Understanding Variation in Human Skin Color

    Lessons

    In this activity, students extend the concepts covered in the short film The Biology of Skin Color through the application of models and mathematical thinking to explain how genomic variation and human ancestry can explain differences in skin color, a polygenic trait.

  • Alzheimer’s Disease: Piecing Together the Evidence

    Alzheimer’s Disease: Piecing Together the Evidence

    Click & Learn

    This interactive module allows students to examine evidence from brain anatomy, tissue histology, and genetic studies to identify possible targets for the treatment of Alzheimer’s disease.

  • Using Genetic Evidence to Identify Ivory Poaching Hotspots

    Using Genetic Evidence to Identify Ivory Poaching Hotspots

    Data Points

    This activity guides the analysis of a published scientific figure from a study involving illegal elephant poaching. In this study, scientists used DNA profiling to determine where ivory seized from poachers had originated.

  • CSI Wildlife

    CSI Wildlife

    Click & Learn

    This interactive module allows students to use DNA profiling and related biological concepts to solve two cases of elephant poaching.

  • Origin of a Gene Mutation Causing Early-Onset Alzheimer’s Disease

    Origin of a Gene Mutation Causing Early-Onset Alzheimer’s Disease

    Data Points

    This activity analyzes a published scientific figure from a study of a family that has a high prevalence of Alzheimer’s disease.

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