chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 226255392 226255395 TTT --- 1 GENIC homozygous 683439793 1 226256116 226256117 A G 68 GENIC homozygous 505780774 1 226256398 226256399 T C 43 GENIC homozygous 505780775 1 226257252 226257253 G A 47 GENIC heterozygous 505780776