PedigreeChartMaker

EXAMPLES

Example pedigree charts

Every example below is a real chart produced by the maker — the exact same rendering you get when you export. Open the matching template to edit it yourself.

AffectedI-4UnaffectedI-4CarrierII-1CarrierI-4CarrierII-2UnaffectedI-4PProbandIII-1CarrierIII-2UnaffectedIII-3

Autosomal recessive: cystic fibrosis

Two unaffected parents, both carriers, pass the condition to one of two children — the classic pattern you recognize from the template, re-labeled with a real condition.

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UnaffectedI-3CarrierI-3AffectedII-1UnaffectedII-2CarrierII-3UnaffectedI-3PProbandIII-1CarrierIII-2UnaffectedIII-3

X-linked recessive: hemophilia

Affected males appear in every other generation, carried through unaffected females. Note how no father passes the trait to a son.

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AffectedI-3UnaffectedI-3AffectedII-1AffectedII-2UnaffectedI-3PProbandIII-1AffectedIII-2

Mitochondrial inheritance

All children of an affected mother are affected; affected fathers do not pass the condition — the template makes this instantly visible.

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ArthurI-3BeatriceI-3CharlesII-1DianaI-3PEvanIII-1FionaIII-2GeorgeII-2

Three generations, one family

A plain three-generation family with a proband and several affected members, exactly as you would draw it for a classroom exercise.

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ParentI-2ParentI-2Older brotherII-1MZ twinII-2MZ twinII-3DZ twinII-4DZ twinII-5MZDZ

Twins and relationships

Monozygotic and dizygotic twins drawn with the standard twin notation, plus former and consanguineous unions.

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Birth fatherI-4Birth motherI-4Adopted childII-2Adoptive fatherI-4Adoptive motherI-4Biological childII-2

Adoption in the family

Adopted-in and adopted-out children drawn with dashed brackets, distinguishing biological from family relationships.

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