How to Read Pedigrees
Figure out the orientation of the pedigree.. Trace lines in the pedigree.. Pay attention to rows of subjects to identify specific generations.
Steps
Figure out the orientation of the pedigree.
Figure out the orientation of the pedigree.
Trace lines in the pedigree.
Trace lines in the pedigree.
Pay attention to rows of subjects to identify specific generations.
Pay attention to rows of subjects to identify specific generations.
Look for standard symbols.
Look for standard symbols.
Look for a key of additional symbols.
Look for a key of additional symbols.
Find a specific person or animal's name and information.
Find a specific person or animal's name and information.
Identify their parents.
Identify their parents.
Look for their siblings.
Look for their siblings.
Trace the lines further to identify additional ancestors.
Trace the lines further to identify additional ancestors.
Determine if there has been inbreeding or diseases passed down.
Determine if there has been inbreeding or diseases passed down.
Find additional information.
Find additional information.
Read the key on the pedigree and identify the oldest generation.
Read the key on the pedigree and identify the oldest generation.
Determine whether the trait has shown up in every generation.
Determine whether the trait has shown up in every generation.
Analyze the pedigree for recessive carriers.
Analyze the pedigree for recessive carriers.
Determine whether the trait is sex linked.
Determine whether the trait is sex linked.
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