chr start stop reference nuc variant nuc depth genic status zygosity variant ID MT 7930 7931 C T 1989 GENIC homozygous 109049470 MT 8021 8022 G A 2059 GENIC homozygous 120180392 MT 8326 8327 C A 2180 GENIC possibly homozygous 109024934 MT 8344 8345 T C 2127 GENIC homozygous 109024937