chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 233302917 233302918 T C 20 GENIC homozygous 894903519 1 233302971 233302972 T C 7 GENIC homozygous 894903520 1 233303022 233303023 A C 13 GENIC homozygous 894903521