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Genetics pedigree templates

Biology — Huntington's Disease Pedigree

Autosomal-dominant inheritance across three generations.

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Template previewGenetics pedigree
Huntington's disease (autosomal dominant)I1I2II1IIpII2III1III2Unaffected maleUnaffected femaleAffectedCarrierConsistent with 4 modes — autosomal dominant, autosomal recessive, X-linked dominant, X-…Consistent with 4 modes: autosomal dominant, autosomal recessive, X-linked dominant, X-linked recessi…Mitochondrial is ruled out: II1 is affected and their mother I2 is not. Mitochondria come from the eg…Y-linked is ruled out: II2 is an unaffected son of the affected I1. A Y-linked trait passes to every …

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title "Huntington's disease (autosomal dominant)"
individual I1 sex male affected yes gen 1
individual I2 sex female affected no gen 1
mating I1 I2
individual II1 sex female affected yes gen 2 parents I1 I2
individual IIp sex male affected no gen 2
mating II1 IIp
individual II2 sex male affected no gen 2 parents I1 I2
individual III1 sex male affected yes gen 3 parents II1 IIp
individual III2 sex female affected no gen 3 parents II1 IIp