chr start stop reference nuc variant nuc depth genic status zygosity variant ID 3 19927747 19927748 A G 54 GENIC heterozygous 57189682 3 19949651 19949652 C G 7 GENIC heterozygous 57189719 3 19972600 19972601 T C 39 GENIC heterozygous 57877255