In this hands-on activity students track and record the passage of colored "pompom traits" through three generations of ginger-bread people. In doing so, students learn that traits are passed from parents to offspring and that siblings may or may not receive the same traits from their parents.

Prior Knowledge Needed

Traits are observable physical characteristics; traits are passed from parents to offspring

Time Required

Prep Time: 20 minutes
Class Time: 30 minutes


Generations of Traits Print-and-Go

Funding provided by a Howard Hughes Medical Institute Precollege Science Education Initiative for Biomedical Research Institutions Award (Grant 51000125)

Funding for significant revisions provided by contract U33MC00157 from the Health Resources and Services Administration, Maternal and Child Health Bureau, Genetic Services Branch and the March of Dimes.