This lesson on monohybrid crosses allows students to predict outcomes and then simulate heredity to compare their predictions to the results. This is a 2 page "labtivity" that requires 4 popsicle sticks, 2 paper bags, and a basic calculator. The purpose of this activity is to show students that Punnett squares are simply prediction tools, though quite accurate.
Using popsicle sticks, students then perform a heredity simulation of "dragon feathers", and compare their results to that of their Punnett square. There are 3 critical thinking questions that students answer to follow up on the activity. The results and questions make a great class discussion to show students that it's all about the "roll of the dice" (or shake of the popsicle stick).
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© Vanessa Jason ("Biology Roots")
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