chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 226256210 226256211 G T 29 GENIC homozygous 108997799 1 226256779 226256780 T C 33 GENIC homozygous 108997800 1 226259605 226259606 C T 29 GENIC homozygous 108997801