Tracing Traits with Pedigrees
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Objective
I can interpret a pedigree to determine how traits are passed down through generations.
Part 1 of 3
Warm-up video
Unknown Channel · 5:00
We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
9 questions
In a pedigree, what shapes are used to represent males and females, and what does it mean if the shape is shaded?
Explain the meaning of a horizontal line connecting two shapes in a pedigree. What does a vertical line extending down from this horizontal line represent?
Part 3 of 3
Exit ticket
Quick comprehension check
“In a pedigree, a shaded square represents a male with a specific trait. If a male is represented by a square that is not shaded, what does this indicate? In a pedigree, a circle represents a female. If a horizontal line connects a shaded square and a circle that is not shaded, what does this tell you about the relationship between those two individuals? In a pedigree, what does a vertical line extending downwards from the horizontal line connecting two parents represent?”
Sample answer included in the free materials
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