chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 139734284 139734285 A C 45 GENIC heterozygous 55409343 7 139734699 139734702 TGT --- 44 GENIC heterozygous 55881215 7 139734723 139734724 G A 43 GENIC heterozygous 55132931