chr start stop reference nuc variant nuc depth genic status zygosity variant ID 3 177091749 177091750 T C 22 GENIC homozygous 784746470 3 177094314 177094315 G A 20 GENIC homozygous 784746471 3 177095365 177095366 C T 19 GENIC homozygous 784746472