chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 226255395 226255398 TTT --- 3 GENIC homozygous 745968095 1 226256116 226256117 A G 29 GENIC homozygous 632102209 1 226256398 226256399 T C 30 GENIC homozygous 632102210