chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 116928446 116928447 G T 12 GENIC homozygous 71110318 4 116967204 116967205 C G 7 GENIC heterozygous 72711361 4 116974172 116974173 T A 2 GENIC homozygous 71110562 4 116974187 116974188 C A 2 GENIC homozygous 71110574