Howard Hughes Medical Institute
The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture
Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...
Curated OER
Know Your Cousins - Monotremas, Marsupials, and Placentals
Students discover various mammals. In this biology lesson plan, students recognize characteristics of mammals and categorize mammal groupings. Students describe how mammals grow inside the mother's body and resemble their parents at birth.
Curated OER
Mollusks
In this mollusks learning exercise, learners color several figures and label them with the correct parts. They complete 14 short answer questions related to mollusks.
Curated OER
Learned Behavior
In this learned behavior learning exercise, students review different types of learned behavior including habituation and trial-and-error learning. This learning exercise has 7 short answer, 8 matching, and 10 fill in the blank questions.
Howard Hughes Medical Institute
Got Lactase? The Co-Evolution of Genes and Culture
Does the human body evolve as quickly as human culture? With a stellar 15-minute video, explore the trait of lactose intolerance. Only about 1/3 of human adults seem to still have the enzyme lactase and therefore, the ability to digest...
Curated OER
Ghost in Your Genes
Students explore DNA microarrays. In this genetics lesson, students model DNA microarrays that are used by scientists. Students work to determine levels of breast cancer genes in patients. They will determine the treatment required based...
Curated OER
Huntington Disease
In this genetics worksheet, students access a website to read about what causes Huntington disease and how it is inherited. Then students complete 7 short answer questions.