chr start stop reference nuc variant nuc depth genic status zygosity variant ID 3 13904196 13904197 C T 20 GENIC homozygous 111451959 3 13904516 13904517 G T 10 GENIC homozygous 111451961 3 13905758 13905759 C T 4 GENIC homozygous 111451962