Genetic Pedigrees

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    Genetic Pedigrees - Presentation Transcript

    1. Pedigrees
      • A genetic family tree
    2. Pedigree
      • What is it?
      • A Genetic Family tree
      • Used to analyze how traits and/or diseases are inherited.
    3. Example
    4. Symbols
      • Females =
      • Males =
      • Affected Individuals =
      • Mating (or marriage) =
    5. Offspring Symbols
      • Offspring listed in birth order from left to right
      • Twins:
        • Identical
        • Non-Identical
    6. Example
      • Dachshunds have many, many, many coat length, color and pattern possibilities and combinations
      • Smooth, longhair, and wire-haired are possible hair lengths
      • Red, Black, Tan, Chocolate, Isabel, Cream... just a few examples of colors
    7. My Baby
      • Annie
    8. Coat Patterns
      • Many possible patterns
      • Annie is a Dapple
      • Dapple means the colors are mixed with white in a random, asymmetrical pattern
    9. Annie’s Family
    10. Annie’s Pedigree Dapple Trait
    11. A Genetics Link
      • http://learn.genetics.utah.edu/units/disorders/pedigree/mapgene.cfm

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