These genes that were not mutated in the FBC cohort also included genes involved in DNA repair functions (MUTYH, RECQL4, BARD1, ERCC2 and XPC) and other cellular functions (CDKN2A, HOXA9, NUTM2A, PALLD, PRCC and WRN). The gene discussed is CDKN2A; the disease is complete blood cell count.