1. An Inventory of My Traits
I am a:
Female Male

2. I have or do not have detached earlobes.

3. I can or cannot roll my tongue.

4. I have or do not have dimples.

5. I am or am not right handed.

6. I have or do not have freckles.

7. I have or do not have naturally curly hair.

8. I have or do not have a widows peak.

9. I have or do not have a hitchhiker's thumb.

10. I cross or do not cross my left thumb over my right.

11. I have or do not have a cleft chin.

12. I have or do not have allergies.

13. I can or cannot see the colors green and red (color blindness).

14. Now, lets find the rate of frequency of observed traits within our class.
Number of students with the trait x 100 = ________%
Number of students in the class
Example: Hitchhiker’s thumb (Class size =21)
5 x 100 = 24% 21
Does the frequency of the gene determine whether it is a dominant trait or not?