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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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.
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.
Open this template →Affected males appear in every other generation, carried through unaffected females. Note how no father passes the trait to a son.
Open this template →All children of an affected mother are affected; affected fathers do not pass the condition — the template makes this instantly visible.
Open this template →A plain three-generation family with a proband and several affected members, exactly as you would draw it for a classroom exercise.
Open this template →Monozygotic and dizygotic twins drawn with the standard twin notation, plus former and consanguineous unions.
Open this template →Adopted-in and adopted-out children drawn with dashed brackets, distinguishing biological from family relationships.
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