chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 17820774 17820775 G C 14 GENIC homozygous 126004219 4 17820928 17820929 T C 5 GENIC homozygous 126086400 4 17821314 17821315 C G 5 GENIC homozygous 126086401 4 17821337 17821338 A G 5 GENIC homozygous 126004223