Browse results: Genetics and Heredity

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The Advantage of Sex

The Advantage of Sex

Why did sex evolve? The likely answers, in this essay for the Evolution Web site by science journalist Matt Ridley, may surprise you.

9-12

Document

All in the Family

All in the Family

In this Evolution Web feature, test your skills at judging who's who on the tree of life while you learn about the tools and methods of cladistics.

6-12

Interactive

Alzheimer's Disease

Alzheimer's Disease

This video segment from the Secret of Life School Video: "Genetic Medicine: Tinkering with Our Genes" explores the potential for gene therapy to cure diseases like Alzheimer's.

Accessibility features: Caption

9-12

Video

Animal Body Plans: Homeobox Genes

Animal Body Plans: Homeobox Genes

The homeobox genes that define the basic body plan of mice and fruit flies are illustrated in this graphic from The Human Evolution Coloring Book by Adrienne Zihlman. The accompanying article describes how these genes act as "molecular architects" in all animal species. OER Level

Accessibility features: Long Description

9-12

Document

Bt Corn

Bt Corn

This video segment from FRONTLINE/NOVA: "Harvest of Fear" looks at corn that has been genetically modified to resist one insect pest, and the multiple concerns it raises.

Accessibility features: Caption

9-12

Video

Build a Family Tree

Build a Family Tree

Both sexes can use this interactive feature that lets you use DNA information from the Y chromosome to complete a male family tree. From the NOVA: "Lost Tribes of Israel" Web site.

9-12

Interactive

Can We Slow Aging?

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. OER Level

Accessibility features: Caption

9-12

Video

Chromosome Viewer

Chromosome Viewer

This interactive feature provides a microscopic view of the 24 Human chromosomes. Each chromosome is labeled with the names of some of the genetic conditions and traits associated with particular regions on that chromosome.

9-12

Interactive

Classical vs. Transgenic Breeding

Classical vs. Transgenic Breeding

This video segment from FRONTLINE/NOVA: "Harvest of Fear" explains that genetic engineering and classical breeding both alter the genetic makeup of crop plants.

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9-12

Video

The Common Genetic Code

The Common Genetic Code

Paul Nurse describes his research that showed that humans share some genes with organisms as different from us as simple brewer's yeast. Footage from Secret of Life: "Immortal Thread." OER Level

Accessibility features: Caption

9-12

Video

DNA Evidence

DNA Evidence

This audio segment is a National Public Radio story on New York State's DNA profiling of criminals. OER Level

9-12

Audio

DNA Fingerprint Photos

DNA Fingerprint Photos

These photographs supplied by Genelex Corporation depict actual DNA fingerprints and show the types of information that can be gleaned from them. OER Level

9-12

Document

DNA Makes History

DNA Makes History

Read how DNA was used to solve the mystery of the Romanov family's execution. From Human Genetics: Concepts and Applications by Ricki Lewis. OER Level

9-12

Document

DNA on the Witness Stand

DNA on the Witness Stand

In this article, Dr. Eric Lander of the Human Genome Project comments on the use of DNA as an identification tool -- the theoretical versus the practical results. OER Level

Accessibility features: Long Description

9-12

Document

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

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. OER Level

Accessibility features: Caption

9-12

Video

DNA Workshop

DNA Workshop

How does DNA perform those all-important functions of replication and protein synthesis? This interactive feature from the A Science Odyssey Web site will help you explore and understand the secrets of DNA.

9-12

Interactive

Double Immunity

Double Immunity

Dr. Stephen O'Brien of the National Cancer Institute discovers a 700-year-old mutation that makes a person resistant to HIV infection. From Evolution: "Evolutionary Arms Race."

Accessibility features: Caption

9-12

Video

Electrophoresis and Gel Analysis

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. OER Level

Accessibility features: Caption

9-12

Video

The Embryo Takes Shape

The Embryo Takes Shape

This video segment from NOVA: "Life's Greatest Miracle" explores the developmental process of an embryo beginning just two weeks after fertilization.

Accessibility features: Caption

9-12

Video

Epigenetics

Epigenetics

In this video segment adapted from NOVA scienceNOW, learn how what you eat, drink, or smoke may affect the instructions your epigenomes send to your genes, and as a result, change how your DNA is expressed. OER Level

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9-12

Video

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