chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 227992117 227992118 T G 16 GENIC homozygous 61927289 1 227992125 227992126 G A 17 GENIC homozygous 61927290 1 227994162 227994163 A G 14 GENIC possibly homozygous 61927291 1 227995021 227995022 T C 4 GENIC homozygous 61927292