chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 23272280 23272281 G T 22 GENIC homozygous 108054400 1 23314740 23314741 T A 19 GENIC homozygous 109472273 1 23390171 23390172 T C 29 GENIC homozygous 120470895 1 23390172 23390173 C A 29 GENIC homozygous 120470896