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

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

This lesson focuses on genetic key terms; it defines them and explains what they do. It provides links to a video and a test.

Historical perspective on Mendel's contribution. Spends a little time setting up what the current beliefs of Mendel's day were and how he changed things with what he did.

Complete a hands-on lab simulation of natural selection to learn how it impacts a breeding population. Perform an online laboratory simulation and examine the interplay between natural and sexual selection in a population.

[Free Registration/Login may be required to access all resource tools.] Natural selection acts on the phenotype (traits or characteristics) of an individual. On the other hand, natural selection does not act on the underlying genotype...