chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 4226902 4226903 T G 16 GENIC homozygous 109593677 2 4226908 4226909 C T 15 GENIC homozygous 109593678 2 4527556 4527557 A C 24 GENIC heterozygous 111085641