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Showing 1-33 of 33 Resources
  • 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.

  • Seeing Single Molecules Move

    Seeing Single Molecules Move

    Animations

    (1 min 40 sec) This animation shows how transcription factors find their binding sites in real time. It is based on data from an imaging method that can track single molecules in a living cell.

  • DNA Sequence Technology Improves Cancer Treatment

    DNA Sequence Technology Improves Cancer Treatment

    Clips

    (2 min 6 sec) Dr. Charles Sawyers discusses how the identification of most cancer genes could transform cancer into a chronic disease.

  • The Double Helix

    The Double Helix

    Short Films

    (16 min 53 sec) This film tells the story of the scientists and the evidence involved in one of the most important scientific quests of the 20th century: the discovery of the 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.

  • The Making of the Fittest: The Birth and Death of Genes

    The Making of the Fittest: The Birth and Death of Genes

    Short Films

    (13 min 10 sec) This film explores how gene duplications and mutations have led to remarkable physiological adaptations in Antarctic fish.

  • 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.

  • Polymerase Chain Reaction (PCR)

    Polymerase Chain Reaction (PCR)

    Animations

    (1 min 28 sec) This animation describes PCR, a standard laboratory technique for making many copies of a specific DNA sequence.

  • Learning from Mice: The Science of Transgenic Technology

    Learning from Mice: The Science of Transgenic Technology

    Clips

    (11 min 8 sec) What do humans, flies, and worms have in common? More than you might think. See how transgenic organisms are engineered, and how they enable researchers to study genetic diseases.

  • 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.

  • Shotgun Sequencing

    Shotgun Sequencing

    Animations

    (1 min) This animation illustrates shotgun sequencing, a method that was used to sequence the human genome.

  • Sanger Sequencing

    Sanger Sequencing

    Animations

    (52 sec) This animation illustrates Sanger sequencing, one of the earliest methods used to sequence DNA.

  • DNA Replication (Advanced Detail)

    DNA Replication (Advanced Detail)

    Animations

    (2 min 20 sec) This animation shows the process of DNA replication, including details about how the mechanism differs between the leading and lagging strand.

  • DNA replication (basic detail)

    DNA replication (basic detail)

    Animations

    (1 min 7 sec) Using information from molecular research, this 3-D animation shows how DNA is replicated at the molecular level. It involves an enzyme that unwinds the DNA, and other enzymes that copy the two resulting strands. Also available in Spanish.

  • DNA Replication (Schematic)

    DNA Replication (Schematic)

    Animations

    (50 sec) This animation shows a schematic representation of the mechanism of DNA replication.

  • Paired DNA Strands

    Paired DNA Strands

    Animations

    (1 min 18 sec) This animation describes the general structure of DNA: two strands of nucleotides that pair in a predictable way.

  • How DNA Is Packaged

    How DNA Is Packaged

    Animations

    (1 min 44 sec) This animation shows how DNA molecules are packed up into chromosomes.

  • Human Genome Sequencing

    Human Genome Sequencing

    Animations

    (1 min 49 sec) This animation shows how the Human Genome Project sequenced the human genome, which contains over 3 billion nucleotides.

  • Human Chromosomes

    Human Chromosomes

    Animations

    (47 sec) This animation describes the set of chromosomes usually found in humans.

  • DNA Cloning with Plasmids

    DNA Cloning with Plasmids

    Animations

    (1 min 13 sec) This animation describes a genetic engineering technique called DNA cloning, which can be used to make bacteria express a foreign gene, typically from another species.

  • DNA Damage and Mutations

    DNA Damage and Mutations

    Animations

    (1 min 7 sec) This animation shows how mutations can arise when DNA is damaged.

  • Coding Sequences in DNA

    Coding Sequences in DNA

    Animations

    (1 min 5 sec) This animation describes how only a small part of the human genome directly codes for proteins.

  • Chargaff's Ratio

    Chargaff's Ratio

    Animations

    (49 sec) This animation describes the typical ratios of bases in DNA.

  • Building Blocks of DNA

    Building Blocks of DNA

    Animations

    (27 sec) This animation describes the four bases that make up DNA.

  • Role of MECP2 in Gene Silencing

    Role of MECP2 in Gene Silencing

    Animations

    (43 sec) This animation shows how the protein MECP2 helps switch off gene expression.

  • Mismatch Repair

    Mismatch Repair

    Animations

    (1 min 22 sec) This animation shows how mistakes made during DNA replication are repaired by the cell.

  • Trinucleotide Repeat

    Trinucleotide Repeat

    Animations

    (1 min 8 sec) This animation shows how errors in DNA replication can lead to expanding sections of repeating nucleotides.

  • Meiosis

    Meiosis

    Animations

    (5 min 53 sec) This animation shows how meiosis, the form of cell division unique to egg and sperm production, can give rise to sperm that carry either an X or a Y chromosome.  

  • Recombination of the Y Chromosome

    Recombination of the Y Chromosome

    Animations

    (2 min 46 sec) This animation shows how recombination occurs between the X and Y chromosomes, then within the Y chromosome itself.

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