PGC-1α −/− mice (93.33%) exhibited increased instance of tremor compared to +/+ (0%, χ2 = 27.23, p = 1.81×10−6) and +/− (20%, χ2 = 20.22, p = 6.91×10−5) mice (Figure 1D). The gene discussed is PPARGC1A; the disease is Tremor.