chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 38973129 38973130 T C 23 GENIC homozygous 787754356 20 38981806 38981807 A G 26 GENIC homozygous 787754357 20 38981930 38981931 A C 22 GENIC homozygous 787754358