Using chromosome and gene models, students play the roles of two parents in this genetics simulation. The object is to create four offspring and determine their genotypes and phenotypes, and determine the probability of having offspring...

Study what roles genetics and the environment play in human behavioral development. This is a learning module which includes the reading assignment, a quiz, and PowerPoint program.

Thomas Hunt Morgan will explain the research he did to determine that some traits are linked to the sex of an individual.

Upper level discussion of several of Mendel's experiments and laws.

[Free Registration/Login may be required to access all resource tools.] A pedigree is a chart that shows the inheritance of a trait over several generations. A pedigree is commonly created for families, and it outlines the inheritance...

Photos of slides and genetics charts accompany the text and explain the differences between sickle cell train vs. sickle cell anemia, symptoms of sickle cell disease, secondary diseases/conditions associated with sickle cell, mechanism...

There are five approaches to psychology which are on a spectrum from nature versus nurture. The approaches with inherited traits lean towards the nature end and those with acquired traits are on the nurture end. This article helps...

Mendel's second law and how he arrived at it through his experiments. Includes vocabulary and examples.

This personal site gives the seven characteristics that Mendel observed and a fairly large background to what Mendel saw and interpreted.

This site is provided by the University of Arizona and it gives great information on the subject. Good collection of dihybrid crosses which exemplify the issue of independent assortment. Work these once you think you've mastered th concept.

Good description of Mendel's findings and his second major principle.

A good site to establish what is meant by gene linkage and sex-linkage.

[Free Registration/Login may be required to access all resource tools.] An overview of Mendel's pea plant experiments.

See how a Punnett square is a special tool used to predict the offspring from a cross, or mating between two parents.

Find out how epigenetic tags that tell genes whether to turn on or off in their lifetime, act as a cellular memory.

Through a series of videos and narrated animations, learn how evolution affects gene expression in species. Find out how visualizing gene expression can help explain what a specific gene does.

Students have the opportunity to work through a problem set over Eukaryotic genes. Correct answers are reinforced with a brief explanation. Incorrect answers are linked to tutorials to help solve the problem.