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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

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9-12

Document

Animal Mouths

Animal Mouths

This collection of images of six different creatures, including insects and carnivorous vertebrates, illustrates the wide range of mouth types that exist within the animal kingdom. OER Level

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K-8

Image

Bird Beak Gallery

Bird Beak Gallery

This collection of images of 10 different birds illustrates the diversity of bird beaks. OER Level

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K-8

Image

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

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9-12

Document

How DNA Evidence Works

How DNA Evidence Works

In this article by An Meeker-O'Connell, discover how DNA evidence is processed before it goes to court. OER Level

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9-12

Document

Mitochondria

Mitochondria

Often referred to as the powerhouses of the cell, mitochondria provide the energy that powers nearly every cellular process. This essay by John Ross describes in detail the structures and functions of these amazing organelles. OER Level

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9-12

Document

Molecular Clocks: Proteins That Evolve at Different Rates

Molecular Clocks: Proteins That Evolve at Different Rates

From The Human Evolution Coloring Book by Adrienne Zihlman, four different proteins from humans and horses are compared in this graphic and article, and the reasons each protein evolves at its own characteristic rate are discussed. Each protein is useful for measuring evolutionary change over a different time scale. OER Level

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9-12

Document

Molecular Level of Genetics

Molecular Level of Genetics

Get down to the molecular nitty-gritty of DNA replication and protein synthesis in this article by Dennis O'Neil. OER Level

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9-12

Document

Record of Time

Record of Time

Enter the exciting world of dating ... fossil dating, that is. From Record of Time by anthropologist Dennis O'Neil. OER Level

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6-12

Document

Understanding Gene Testing

Understanding Gene Testing

In this article by the National Cancer Institute and the National Center for Human Genome Research, find answers to your questions about genetic testing. OER Level

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9-12

Document

Whales in the Making

Whales in the Making

This graphic from Evolution, traces the evolution of whales from land-dwelling mammals to the aquatic creatures we know today. OER Level

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6-12

Document

RESULTS 1-11 OF 11