chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 47659830 47659831 T C 4 GENIC heterozygous 877705957 1 47659881 47659882 A G 3 GENIC heterozygous 877705958 1 47680482 47680483 A G 4 GENIC heterozygous 877705959