chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 257229459 257229460 T G 24 GENIC homozygous 891581948 1 257411622 257411623 T G 13 GENIC homozygous 891581949 1 257441060 257441061 G C 3 GENIC heterozygous 891581950 1 257444873 257444874 T C 4 GENIC heterozygous 891581951 1 257444874 257444875 C T 4 GENIC heterozygous 891581952