File:Friedreich's Ataxia Pedigree.jpg

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The pedigree of a family affected by Friedreich's Ataxia. Due to the anticipating nature of the inheritance, the severity of symptoms increases while the age of onset decreases with each generation. Heterozygous individuals who possess one allele with the repeat expansion do not develop symptoms, and are thus unaffected carriers. The expression of Friedreich's Ataxia occurs only when an individual carries two mutated frataxin alleles. ----

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Cite this page: Hill, M.A. (2024, June 21) Embryology Friedreich's Ataxia Pedigree.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Friedreich%27s_Ataxia_Pedigree.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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current19:19, 17 September 2011Thumbnail for version as of 19:19, 17 September 20111,424 × 588 (80 KB)Z3389343 (talk | contribs)The pedigree of a family affected by Friedreich's Ataxia. Due to the anticipating nature of the inheritance, the severity of symptoms increases while the age of onset decreases with each generation. Heterozygous individuals who possess one allele with the

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