chr start stop reference nuc variant nuc depth genic status zygosity variant ID 15 31484313 31484314 A G 47 GENIC heterozygous 661857177 15 31484316 31484317 G A 49 GENIC heterozygous 661857178 15 31484321 31484322 G A 48 GENIC heterozygous 661857179