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?