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Showing 1 - 25 of 54 results
Classroom Resource
To accompany the lecture series Potent Biology: Stem Cells, Cloning, and Regeneration.
Classroom Resource
Topics include: PCR, DNA Sequencing, Genetic Engineering, and Microarray. This guide includes multiple classroom-ready worksheets to accompany HHMI’s virtual labs.
Classroom Resource
Topics include: DNA structure and function, DNA replication, damage to DNA and eukaryotic chromosomal structure.
Classroom Resource
The following classroom-ready resources complement The Making of the Fittest: The Birth and Death of Genes, which describes how scientists have pieced together the evolutionary history of the Antarctic icefish. The icefish makes an excellent case study for genetic evolution as both the gain and...
Short Film
Scientists have pieced together the evolutionary history of the Antarctic icefish. The icefish makes an excellent case study for genetic evolution as both the gain and loss of genes have led to key adaptations.
Animation
Of the 3 billion letters in the human genome, only 1% directly code for proteins. Of the rest, about 25% make up genes and their regulatory elements. The functions of the remaining letters are still unclear.
Animation
Reactive molecules, such as free radicals, and solar ultraviolet radiation can lead to mutations in DNA. Most mutations are corrected, but in rare cases mutations can accumulate and cause diseases such as cancer.
Animation
DNA has a double helix structure. If untwisted, DNA looks like two parallel strands. Each strand has a linear sequence of A, C, G, and T. The precise order of the letters carries the coded instructions. One strand is a complementary image of the other: A always pairs with T, and C always pairs...
Click & Learn
How both gene chips and microarray slides are created.
Click & Learn
This mini-lesson covers the research on telomeres that has happened since the 1995 Holiday Lectures.
Article
Help with streaming video, watching the live lectures, and required software for our interactive features.
Video Clips
“The Assemblers” (Peter Skewes-Cox and Dr. Graham Ruby) sing about DNA and proteins.
Lectures
Dr. Eric Lander takes us on a tour of this remarkable genetic century, describing the rapid advances in DNA sequencing technologies and information science.
Lectures
Dr. Lander explores human genetic variation and how it may affect individual susceptibility to certain diseases.
Lectures
Although there are numerous kinds of cancer, all stem from alterations that allow cell division to outstrip cell demise.
Lectures
New technologies like the Virochip harness DNA's properties to identify and fight new viruses.
Series
Watch two leading virus reasearchers explain how they use both simple and sophisticated technologies to detect and fight infectious agents.
Lectures
Genetic evidence shows that humans evolved in Africa and continue to evolve.
Lectures
Dr. Ganem analyses the complex causes of epidemics—how changes in the environment and in human social behavior can give rise to new infectious diseases.
Lectures
The chromosome ends, or telomeres, are necessary for DNA stability and replication.
Series
In four presentations, Stuart L. Schreiber, PhD, and Eric S. Lander, PhD, open a window onto the fast-paced world of genomic science and chemical genetics.
Animation
Adenine (A), cytosine (C), guanine (G), and thymine (T) are the components of nucleic acid that make up DNA.
Animation
In 1950, Erwin Chargaff published a paper stating that in the DNA of any given species, the ratio of adenine to thymine is equal, as is the ratio of cytosine to guanine. This became known as Chargaff's ratio, and it was an important clue for solving the structure of DNA.
Animation
A new gene can be inserted into a loop of bacterial DNA called a plasmid. This is done by cutting the plasmid DNA with a restriction enzyme, which allows a new piece of DNA to be inserted. The ends of the new piece of DNA are stitched together by an enzyme called DNA ligase. The genetically...
