chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 170384388 170384389 G C 6 GENIC homozygous 108375901 1 170385059 170385060 T A 8 GENIC homozygous 108375905 1 170386107 170386108 T C 6 GENIC homozygous 108375907