chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 42722777 42722778 G A 39 GENIC homozygous 59115789 4 42723348 42723349 C A 36 GENIC homozygous 57298994 4 42723938 42723939 T A 35 GENIC homozygous 57298997 4 42724037 42724038 G A 33 GENIC homozygous 57299000 4 42724884 42724887 TTT --- 13 GENIC possibly homozygous 57299006