chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 209436086 209436087 C CTT 4 GENIC homozygous 59359680 2 209438988 209438989 C T 20 GENIC homozygous 59359685 2 209439895 209439896 T C 26 GENIC homozygous 59359686