chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 223572726 223572727 C T 7 GENIC homozygous 108554053 1 223573055 223573056 A C 23 GENIC homozygous 108554054 1 223574454 223574455 A G 19 GENIC homozygous 108554055