chr start stop reference nuc variant nuc depth genic status zygosity variant ID 8 115168131 115168132 A C 8 GENIC homozygous 116665600 8 115168653 115168654 T C 19 GENIC homozygous 116665602 8 115168751 115168752 A T 20 GENIC homozygous 116665604