Of the FANC genes, mutations in 18bona fide genes lead to the occurrence of FA (Table 1), while the other 4 FANC genes (FANCM,FANCO/RAD51C,FANCR/RAD51, andFANCS/BRCA1) are associated with FA-like syndrome[41]. This evidence concerns the gene RAD51 and Friedreich ataxia.