chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 68347017 68347018 G C 13 GENIC homozygous 112690983 4 68348043 68348044 T A 13 GENIC homozygous 113346992 4 68348507 68348508 T C 27 GENIC homozygous 113346994