Howard Hughes Medical Institute
The Making of the Fittest: Natural Selection in Humans
Sickle cell disease only occurs when both parents contribute the trait, and mostly in those of African descent. Where did it come from? How did it evolve? Tony Allison, a molecular biologist, noticed a connection between sickle cell and...
Curated OER
Human Blood: Microviewer
In this human blood: microviewer learning exercise, students answer questions about blood, red blood cells, white blood cells, phagocytosis, blood type B, fibrin, sickle cells, and infected blood. Students also draw quick sketches of a...
Curated OER
Your Body, Your Health
Students study sickle cell anemia and other genetic disorders. In this investigative lesson students create a poster and present it to the class on a certain disorder.
Curated OER
The Meaning of Genetic Variation
Students investigate variation in the beta globin gene by identifying base changes that do and do not alter function, and by using several Internet-based resources to consider the significance in different environments of the base...