chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 219702971 219702972 A G 21 GENIC homozygous 74369545 2 219705402 219705403 T C 15 GENIC homozygous 74369556 2 219723683 219723684 T C 22 GENIC homozygous 74369613 2 219716209 219716210 T G 18 GENIC homozygous 75370809