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Free Resources for Science Teachers and Students

Classroom Resource
A Lesson on the Nature of Science


A worksheet designed to show students how scientists make their discoveries. It provides students with background information about how Dr. Allison's work built upon the contributions made by other scientists. 

Appropriate for: high school biology (all levels), introductory college biology.

This worksheet complements the short film, The Making of the Fittest: Natural Selection in Humans, by providing students with additional information about the decades of research done on sickle cell disease (also known as sickle cell anemia) prior to Dr. Allison’s work. Students will appreciate how Dr. Allison’s discovery was made possible through the work of others and how he made the link between sickle cell disease and malaria.

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