chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 197753397 197753398 T C 24 GENIC homozygous 110199827 2 197754171 197754172 G A 35 GENIC homozygous 110199828 2 197759593 197759594 A G 31 GENIC homozygous 110199831