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