chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 9420349 9420350 C CT 22 GENIC heterozygous 45423422 20 9422160 9422161 T C 14 GENIC homozygous 45423424 20 9422548 9422549 G C 4 GENIC homozygous 45423425 20 9422583 9422584 C G 4 GENIC homozygous 45423426