All the basic information you need about Alzheimer Disease can be found at this great interactive, multimedia website. Topics like: causes, inheritance, treatment, testing, and diagnosis are all covered. There is also a great section with interviews about living with this disease.

This landing page includes learning modules on the following topics of: animals, plants, microorganisms, life cycles and reproductions, food chains, habits, humans and the environment, adaptation, inheritance, and evolution.

An introductory lesson on the basics of heredity, and the inheritance of genetic traits. [7:57]

This is an impressive site about beta-thalassemia. The disease is caused when the body cannot make an important blood protein. You can find information about causes, diagnosis, treatment, lifestyle, and inheritance at this interactive multimedia site.

Biology 2e is designed to cover the scope and sequence requirements of a typical two-semester biology course for science majors. The text provides comprehensive coverage of foundational research and core biology concepts through an evolutionary lens. Biology includes rich features that engage students in scientific inquiry, highlight careers in the biological sciences, and offer everyday applications. The book also includes various types of practice and homework questions that help students understand—and apply—key concepts. The 2nd edition has been revised to incorporate clearer, more current, and more dynamic explanations, while maintaining the same organization as the first edition. Art and illustrations have been substantially improved, and the textbook features additional assessments and related resources.

By the end of this section, you will be able to do the following:

Describe how a karyogram is created
Explain how nondisjunction leads to disorders in chromosome number
Compare disorders that aneuploidy causes
Describe how errors in chromosome structure occur through inversions and translocations

By the end of this section, you will be able to do the following:

Discuss Sutton’s Chromosomal Theory of Inheritance
Describe genetic linkage
Explain the process of homologous recombination, or crossing over
Describe chromosome creation
Calculate the distances between three genes on a chromosome using a three-point test cross

Biology is designed for multi-semester biology courses for science majors. It is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand. To meet the needs of today’s instructors and students, some content has been strategically condensed while maintaining the overall scope and coverage of traditional texts for this course. Instructors can customize the book, adapting it to the approach that works best in their classroom. Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand—and apply—key concepts.

An overview of Mendel's pea plant experiments.

A free CK-12 account is required to view all materials.

Introduction to non-Mendelian inheritance.

A free CK-12 account is required to view all materials.

This is a group of Mendelian Genetics exercises that are designed to show the evolution of a trait within a population. The site covers instruction in calculating genotypic and allelic frequencies, determining dominance, the Hardy-Weinberg equilibrium, neutral genetic drift, and natural selection.

Students perform DNA forensics using food coloring to enhance their understanding of DNA fingerprinting, restriction enzymes, genotyping and DNA gel electrophoresis. They place small drops of different food coloring ("water-based paint") on strips of filter paper and then place one paper strip end in water. As water travels along the paper strips, students observe the pigments that compose the paint decompose into their color components. This is an example of the chromatography concept applied to DNA forensics, with the pigments in the paint that define the color being analogous to DNA fragments of different lengths.

At DNA from the Beginning, choose from classical genetics, molecules of genetics, genetic organization and control. Each concept is explained through animation, an image gallery, video interviews, biographies and links.

This Dinosaur Train video will help children foster the understanding of heredity: inheritance and variation of traits. Buddy and Daphne compare how they are similar and different. Included are printable dinosaur fact cards. [0:54]

In this video module, students learn how scientists use genetic information from dogs to find out which gene (out of all 20,000 dog genes) is associated with any specific trait or disease of interest. This method involves comparing hundreds of dogs with the trait to hundreds of dogs not displaying the trait, and examining which position on the dog DNA is correlated with the trait. [34:17]

This interactive multimedia site has all sorts of information about muscular dystrophy. The animations and diagrams are excellent, and the interviews gives insight into families dealing with muscular dystrophy. Diagnosis, inheritance, treatment, causes, symptoms, and testing are all covered.

The topic of this video module is genetic basis for variation among humans. The main learning objective is that students will learn the genetic mechanisms that cause variation among humans (parents and children, brothers and sisters) and how to calculate the probability that two individuals will have an identical genetic makeup. [32:01]