1. Introduction to Genetics Analyzing Inheritance Chapter 6 Section 3

2. Probability The likelihood of an outcome randomly occurring Flipping a coin –Heads 4x’s in a row ½ x ½ x ½ x ½ = 1/16

3. Homozygous Dominate & Homozygous Recessive Cross 100% Bb

4. Genotype & Phenotype Genotype –The genes an organism carries Phenotype –The traits an organism expresses

5. Hybrid Cross 1:2:1 offspring

6. Earlobes Free is Dominant Attached is recessive

7. Finger Digit Hair Hair is dominant No hair is recessive

8. Widow’s Peak

9. Roll Tongue Tongue Roll is Dominant Non-Roll is Recessive

10. Thumb Flexibility

11. Pinky Sraight –Recessive Bent –Dominant

12. 2 nd toe longer than 1st Longer 2 nd toe –Dominant Shorter 2 nd toe –recessive

13. Color Blindness Sex Linked –More common in males –Recessive

14. Freckles DominantRecessive

15. Dimples Dominant

16. Cleft Chin Cleft –Dominant