1. Examples: Dominant and Recessive Traits

2. What are your traits?
We will look at some examples of human traits that are determined by simple genetics.
On your hand-out, record which phenotype you exhibit.
You may have to ask your partner to help you determine a trait.

3. Detached (EE, Ee), Attached (ee) Earlobes

4. Can Tongue Roll (TT, Tt), Can’t (tt)

5. Dimples (DD, Dd), No Dimples (dd)

6. Right handed (RR, Rr), Left handed (rr)

7. Freckles (FF, Ff), No Freckles (ff)

8. Curly (HH, Hh), Straight (hh)

9. Cleft Chin (CC, Cc), Smooth(cc)

10. Cleft Chin (CC, Cc), Smooth (cc) (actual pictures)

11. Hand Clasp: Left (LL, Ll), Right (ll)

12. Widow’s Peak (WW, Ww), Straight (ww)

13. What are your traits?
We will look at some examples of human traits that are determined by simple genetics.
On your hand-out, record which phenotype you exhibit.
You may have to ask your partner to help you determine a trait.

14. Data We will now record our class data and graph our results
Does our data support which genes are dominant and which genes are recessive?
What about the whole Purple Team?