chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 266425994 266425995 T C 46 GENIC homozygous 108638055 1 266426008 266426009 C T 43 GENIC homozygous 108638056 1 266426009 266426010 G T 42 GENIC homozygous 108638057