chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 245362441 245362442 T C 26 GENIC homozygous 974698103 1 245363792 245363793 A G 17 GENIC homozygous 974698104 1 245369146 245369147 T C 36 GENIC homozygous 974698105