Notes: Pedigrees - PowerPoint PPT Presentation

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Notes: Pedigrees

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  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 • http://www.zerobio.com/drag_gr11/pedigree/pedigree1.htm

  21. Gel Electrophoresis • Video 2min – how GE works http://www.youtube.com/watch?v=3i-DxJ3oJzE