chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 53029774 53029775 C T 28 GENIC homozygous 108850316 1 53035540 53035541 G T 21 GENIC homozygous 108850318 1 53037955 53037956 G C 12 GENIC homozygous 108850319