Some genes link to others that have implications for inheritance. A set of resources lead pupils through the history of this discovery. They explain how chromosomes recombine and which parts are more susceptible to this linkage....

All human infants are lactose tolerant, yet some adults are lactose intolerant—why is that? Individuals discover the process of gene mutation through a study of the lactase gene (LCT). They understand the geographic connections,...

In this tense learning exercise, students read the sentences or phrases and choose which tense they are written in. Students complete 10 problems total.

A series of experiments with an arabidopsis plant appropriate for AP or IB Biology. Experimentation includes PCR, identification of genetic modification, as well as complete write-ups and instructor information for pre-lab preparation.