chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 19823655 19823656 A G 10 GENIC homozygous 109626141 2 19823670 19823671 C T 8 GENIC homozygous 109626142 2 19824223 19824224 C T 18 GENIC homozygous 109626146