Friedreich s ataxia is an inherited disorder that is caused

Last updated: 6/8/2023

Friedreich s ataxia is an inherited disorder that is caused by an insertion mutation in a non coding portion of the FXN gene where a GAA triplet is repeated hundreds of times The FXN gene codes for the protein frataxin A pedigree of a family with members affected by this disorder is shown in the image below 0 2 A 11 B C IV A pedigree of a family affected by Friedreich s ataxia unaffected male unaffected female 7 Based on the pedigree above which of the following is the inheritance pattern of Friedreich s ataxia autosomal dominant 3 Cote 8 9 10 6 5 autosomal recessive sex linked recessive 4 affected male affected female