chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 80805691 80805692 C A 46 GENIC homozygous 143849599 2 80805859 80805860 C T 45 GENIC homozygous 143849600 2 80806019 80806020 A G 54 GENIC possibly homozygous 136169916 2 80823327 80823328 G C 54 GENIC homozygous 144297308