1. Notes: Pedigrees
What is it?

2. A pedigree shows…

3. Symbols

4. More symbols Completely darkened = affected
Half-Shaded = heterozygous not affected
Half-Darkened = heterozygous affected

5. Rule #1- Autosomal Dominant

6. Rule #2 – Autosomal Recessive

7. Rule #3 - Autosomal

8. Rule #4 – Sex-linked recessive

9. Try this one
Autosomal dominant

10. Recessive x-linked

11. Dominant - Autosomal

12. Recessive - Autosomal

13. Recessive, X-linked

14. Autosomal recessive

15. Recessive - Autosomal

16. Dominant - Autosomal

17. Recessive, X-linked

18. Autosomal recessive

19. X-linked recessive

20. Let’s practice some more

21. Gel Electrophoresis
Video 2min – how GE works