Genetic Pedigrees
Transcript of Genetic Pedigrees
PedigreesA genetic family tree
PedigreeWhat is it?
A Genetic Family tree
Used to analyze how traits and/or diseases are inherited.
Example
SymbolsFemales =
Males =
Affected Individuals =
Mating (or marriage) =
Offspring SymbolsOffspring listed in birth
order from left to right
Twins:
Identical
Non-Identical
ExampleExampleDachshunds 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
My BabyMy Baby
Annie
Coat PatternsCoat Patterns
Many possible patterns
Annie is a Dapple
Dapple means the colors are mixed with white in a random, asymmetrical pattern
Annie’s FamilyAnnie’s Family
Annie’s PedigreeAnnie’s PedigreeDapple TraitDapple Trait
A Genetics Linkhttp://learn.genetics.utah.edu/units/disorders/pedigree/mapgene.cfm