Animal Cloning 101

Learn about clones and explore the methods scientists use to create clones in the lab in this interactive activity from the Dolan DNA Learning Center.

Can We Slow Aging?

In this video segment adapted from NOVA scienceNOW, scientists discuss a family of genes called FOXO that can significantly extend life span in worms—and in humans.

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Desirable Breeding Traits in Cattle

This video from Nature offers a description of desirable traits in beef and dairy cattle.

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Different Breeds of Cattle

In this video segment from Nature, learn about six different breeds of cattle.

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DNA Extraction

This interactive activity adapted from the University of Nebraska's Plant and Soil Sciences eLibrary illustrates how DNA, which is normally locked inside of cells, is extracted from living tissue.

DNA Libraries

This interactive resource adapted from the Dolan DNA Learning Center explores the different types of DNA libraries used to store and access genetic information.

DNA Separation Lab in the Classroom and in Real-World Research

This video produced by WGBH features students in the Amgen-Bruce Wallace Biotechnology Lab Program preparing a recombinant DNA molecule, and examines how this work relates to the way real-life scientists approach similar work.

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Electrophoresis and Gel Analysis

In this animation produced by WGBH and Digizyme, Inc., see how molecules of DNA are separated using gel electrophoresis, and how this process enables scientists to compare the molecular variations of two or more DNA samples.

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Eluting Red Fluorescent Protein From the Column

This video produced by WGBH demonstrates how to properly elute a red fluorescent protein after it has been bound in a chromatography column.

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The Ethics of Preimplantation Genetic Diagnosis

In this video excerpt from NOVA, learn about the advantages, disadvantages, and ethical implications of preimplantation genetic diagnosis, or PGD, a technique used to screen embryos created through in vitro fertilization for diseases.

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Gene Cloning

This interactive activity adapted from the University of Nebraska's Library of Crop Technologies details the steps involved in producing clones of genes that can then be used to transform the characteristics of an organism.

Genetically Engineering the Avian Flu

In this video segment adapted from NOVA scienceNOW, learn about a radical biotechnology experiment aimed at figuring out how to stop the avian flu virus.

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Genetic Engineering and Working with DNA

In this animation produced by WGBH and Digizyme, Inc., see how bacterial plasmids are engineered to clone or express genes that code for proteins such as human insulin.

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Growing Bacterial Cultures

This animation produced by WGBH and Digizyme, Inc. demonstrates the techniques researchers use to isolate transformed bacteria and expand their population in order to obtain large quantities of a protein of interest.

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Loading a Gel

This video produced by WGBH provides step-by-step instructions for loading samples into an agarose gel.

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Loading a Micropipette

This video produced by WGBH demonstrates how to load correctly a micropipette and dispense a solution.

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Longevity Genes

What is the secret to a long life? Hear from scientists using biotechnology to analyze relationships between specific genes and longevity in this video segment adapted from NOVA scienceNOW.

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Lysing

This video produced by WGBH provides step-by-step instructions for performing a lyses reaction to break open transformed cells.

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Making an Agarose Gel

This video adapted from the University of Leicester demonstrates the step-by-step process of making and pouring an agarose gel, a key component in gel electrophoresis.

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Mixing Two Solutions

This video produced by WGBH provides step-by-step instructions on how to mix two sample solutions.

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