chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 197753397 197753398 T C 25 GENIC homozygous 110199827 2 197754171 197754172 G A 31 GENIC homozygous 110199828 2 197757407 197757408 G A 46 GENIC homozygous 110199829 2 197759593 197759594 A G 16 GENIC homozygous 110199831