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  • 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.

  • DNA Profiling Activity

    DNA Profiling Activity

    Case Studies

    This multipart activity is designed to give students a firm understanding of genetic profiling using short tandem repeats (STRs), which is a process used by forensics labs around the world.

  • 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.

  • 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.

  • Activity for The Biology of Skin Color

    Activity for The Biology of Skin Color

    Film Activities

    This activity explores the evidence that differences in human skin color are adaptations to varying intensity of UV light, as discussed in the short film The Biology of Skin Color.

  • The Biology of Skin Color

    The Biology of Skin Color

    Short Films

    (18 min 58 sec) This film explores the hypothesis that different tones of skin color in humans arose as adaptations to the intensity of ultraviolet radiation in different parts of the world.

  • Pedigrees and the Inheritance of Lactose Intolerance

    Pedigrees and the Inheritance of Lactose Intolerance

    Lessons

    In this activity, students explore concepts covered in the short film Got Lactase? The Co-evolution of Genes and Culture about the genetic variations associated with lactose tolerance/intolerance and how the trait is inherited in families.

  • Pulse Chase Primer: The Meselson-Stahl Experiment

    Pulse Chase Primer: The Meselson-Stahl Experiment

    Lessons

    This activity can be used in conjunction with the short film The Double Helix. It introduces students to the classic experiment by Matthew Meselson and Franklin Stahl, which revealed that DNA replication follows the semiconservative model.

  • Activity for The Double Helix

    Activity for The Double Helix

    Film Activities

    This activity explores the concepts and research presented in the short film The Double Helix, which tells the story of the discovery of the molecular structure of DNA.

  • The Origin of Species: Lizards in an Evolutionary Tree

    The Origin of Species: Lizards in an Evolutionary Tree

    Short Films

    (17 min 45 sec) This film explores the adaptation of anole lizards (genus Anolis) to habitats common across the islands of the Caribbean. The anoles are excellent examples of adaptive radiation, convergent evolution, and speciation through reproductive isolation.

  • Activity for The Birth and Death of Genes

    Activity for The Birth and Death of Genes

    Film Activities

    This activity explores the research presented in the short film The Making of the Fittest: The Birth and Death of Genes, which illustrates how gene duplications and mutations have allowed some fish to adapt to extreme environments.

  • Molecular Genetics of Color Mutations in Rock Pocket Mice

    Molecular Genetics of Color Mutations in Rock Pocket Mice

    Lessons

    In these activities, students transcribe and translate portions of the rock pocket mouse Mc1r gene to further explore the genetic variations responsible for different coat colors as described in the short film Making of the Fittest: Natural Selection and Adaptation.

  • Regulation of Eukaryotic DNA Transcription

    Regulation of Eukaryotic DNA Transcription

    Animations

    (2 min 5 sec) This animation shows how a variety of proteins interact to regulate the transcription of eukaryotic DNA into RNA.

  • The Chemical Structure of DNA

    The Chemical Structure of DNA

    Animations

    (2 min 44 sec) This animation explores the chemical components and bonds of the nucleotides that make up DNA.

  • The p53 Gene and Cancer

    The p53 Gene and Cancer

    Click & Learn

    This tutorial describes the structure and function of the p53 protein, how its activity is regulated in cells, and how mutant versions of p53 can lead to cancer.

  • Triplet Code

    Triplet Code

    Animations

    (1 min 8 sec) This animation describes how many nucleotides encode a single amino acid, which is a key part of the genetic code.

  • DNA Transcription (Advanced Detail)

    DNA Transcription (Advanced Detail)

    Animations

    (1 min 55 sec) This animation shows how RNA polymerase and other transcription factors interact to transcribe DNA into RNA.

  • DNA Transcription (Basic Detail)

    DNA Transcription (Basic Detail)

    Animations

    (1 min 55 sec) This animation shows the transcription of DNA into RNA.

  • Sickle Cell Disease

    Sickle Cell Disease

    Animations

    (1 min) This animation explores the genetic causes and biological effects of sickle cell disease.

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