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Browse results: Genetics and Heredity

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RESOURCE	GRADE LEVEL	MEDIA TYPE
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
Agarose Gel Demos Watch a "how-to" video on the proper technique of preparing an agarose gel for use in gel electrophoresis in this video segment from Austin Community College. A supplementary video shows the proper technique for pouring an agarose gel. Accessibility features: Caption	9-12	Video
All in the Family This video from the series Faces of America details the process of documenting family history and tracing lineage back through maternal and paternal lines. Accessibility features: Transcript	9-12	Video
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 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
American Chestnut Tree This annotated slideshow adapted from KET's Electronic Field Trip to the Forest illustrates how blight decimated the American chestnut tree and the methods scientists use to identify and pollinate the remaining trees to create blight-resistant trees.	6-12	Interactive
Animal Babies This interactive slide show illustrates the variety of animal babies that exist on earth -- some completely independent and others deeply reliant on parental care.	K-5	Image
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. Accessibility features: Long Description	9-12	Document
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.	9-12	Interactive
Animal Coverings It takes a thick skin to withstand the hardships that life has to offer. This collection of images shows a variety of animals, each with a slightly different type of protective covering.	K-5	Image
Asexual Reproducers This video segment explores the benefits and pitfalls of cloning as a means of reproduction. From Evolution: "Why Sex?" Accessibility features: Caption	6-8	Video
Becoming a Mosquito Join students as they observe mosquitoes in different stages of development and learn about the insect's life cycle in this video from Curious George. Accessibility features: Caption	K-2	Video
Bioengineered Foods? Students compare the processes of selective breeding and transgenic manipulation of plants. They consider the pros and cons of growing genetically modified crops.	9-12	Lesson Plan
Bird Beak Gallery This collection of images of 10 different birds illustrates the diversity of bird beaks. Accessibility features: Long Description	K-8	Image
Birth, Growth, and Development By examining the developmental stages of animals, students learn about the life cycles of living things.	K-2	Lesson Plan
Blood Vessels Help Tumors Grow In this video segment, adapted from NOVA, Dr. Judah Folkman uses the scientific method to discover how cancer cells induce the formation of new blood vessels, which in turn nourish those cancer cells. Accessibility features: Caption	6-12	Video
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 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? 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. Accessibility features: Caption	9-12	Video
Cell Membrane: Just Passing Through This interactive feature describes some of the most important structures and functions of the cell membrane.	6-12	Interactive