Is there variation in the human population?
Hair color: red, blonde, brown, black
Height: tall, short
Eye color: blue, brown, green, hazel
Chin type
Can you curl your
tongue?
Is your earlobe free or attached?
Hair Type
Does your hairline cross your forehead in a straight line or dip in the middle?
Hitchhiker thumb
Is your little finger straight
or bent?
Think Questions•Is there variation in our population?
•Which trait occurred most often for each feature we looked at?
•Are any traits linked?
Reflection page 58
• Complete a genetics scavenger hunt with members of your family.
• How does the variation in your family compare to the variation in our class?