Cold Spring Harbor Laboratory
Biology Animation Library: Dolan Dna Learning Center
A step-by-step animation shows how introns are removed during RNA splicing.
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Transcription & Translation: Triplet Code
DNA has four letters that must specify the 20 different amino acids that make up proteins. This animation shows how using three DNA letters for one amino acid makes the most sense. [1:07]
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Transcription & Translation: Translation
This animation demonstrates the process of RNA translation that ultimately results in a new protein. [2:04]
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Dolan Dna Learning Center: Transcription Translation: Transcription Advanced
Visualize the main driving force behind molecular biology, where DNA makes RNA, and RNA makes protein. [1:53]
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Dolan Dna Learning Center: Transcription & Translation: Transcription Basic
A brief animation showing the basics of DNA transcription in cells. [1:52]
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Dolan Dna Learning Center: Dna Molecule: How Dna Is Packaged Basic
See how our DNA is tightly packed up so that six feet of this long molecule fits into the microscopic nucleus of every cell. [1:30]
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Dolan Dna Learning Center: Dna Molecule: How Dna Is Packaged Advanced
An animated tutorial showing how each chromosome consists of one continuous thread-like molecule of DNA coiled tightly around proteins. [1:42]
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Dolan Dna Learning Center: Dna Molecule: Dna Has Four Units
A brief description of the four chemical building blocks of the DNA molecule. [0:25]
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Dolan Dna Learning Center: Dna Molecule: How Much Dna Codes for Protein?
A quick overview of the human genome, and how much of our DNA contains genes and non-coding DNA. [1:02]
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Dolan Dna Learning Center: Transcription & Translation: Translation Advanced
Dig a little deeper into the intricate role of RNA in DNA translation during the process of protein synthesis. [3:03]
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Dolan Dna Learning Center: Disease & Mutation: Sickle Cell
A brief overview of Sickle cell anemia, a genetic disease that affects hemoglobin in the blood. [1:30]
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Dolan Dna Learning Center: Disease & Mutation: Tumor Growth
See how cell division is essential for healthy growth of an organism, and how complex genetic mechanisms have evolved to switch cell division on and off at the proper time for normal development. [0:50]
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Dna Molecule: Chromosome Map
Find out about the chromosome karyotype and how that identifies a human as a human. [0:46]
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Dolan Dna Learning Center: Dna Molecule: Basepairing
See how the discovery of DNA in 1953 sparked a new era of research into the code of life. [1:40]
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Dolan Dna Learning Center: Dna Molecule: Triple Helix
A description of how the triple-helix DNA model was a precursor to the accepted double-helix model of our DNA. [0:27]
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Dolan Dna Learning Center: Dna Molecule: Chargaff's Ratios
Learn about base pairing in DNA, and how the ratios of adenine to thymine and guanine to cytosine are equal. [0:47]
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Dolan Dna Learning Center: Disease & Mutation: Dna Damage
See how mutations in DNA can affect human cells, and how these mutations can even be corrected by biochemical repair work. [1:05]
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Dolan Dna Learning Center: Transcription Translation: Central Dogma of Biology
This animation shows how the DNA genetic code leads to proteins that help us develop and function. [2:51]
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Transcription & Translation: Rna Splicing
See how DNA is transcribed into RNA and spliced to remove non-coding regions, leaving only the protein-coding regions, called exons. [1:37]
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Dolan Dna Learning Center: Biology: Rna Splicing
A step-by-step animation shows how introns are removed during RNA splicing.
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Learn About Genetics: Genes & Inheritance
An animation introducing the basic concepts of cells, DNA, recessive inheritance, and Punnett squares.
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Learn About Genetics: Genetic Screening
Learn how genetic screening is used to identify people who are healthy genetic carriers for diseases that occur more often in certain populations.
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Inheritance Calculator: Genetic Traits
An interactive Punnett Square inheritance calculator helps students work out patterns of recessive inheritance for a trait, such as straight or peaked hairline.
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Inheritance Calculator: Blank Make Your Own
An interactive Punnett Square calculator which allows students to work out patterns of inheritance for any autosomal recessive genetic trait or disease.