chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 17690993 17690994 A G 28 GENIC heterozygous 46373208 18 17691032 17691033 A G 33 GENIC heterozygous 46373209 18 17691976 17691977 A G 41 GENIC heterozygous 46373212