chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 245362441 245362442 T C 40 GENIC homozygous 978043173 1 245363792 245363793 A G 34 GENIC homozygous 978043174 1 245369146 245369147 T C 13 GENIC homozygous 978043175