chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 88933156 88933157 T C 13 GENIC homozygous 109109719 1 88938873 88938874 C A 23 GENIC homozygous 108151405 1 88944990 88944991 C T 20 GENIC homozygous 108151406