chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 89674356 89674357 G A 22 GENIC homozygous 109905896 2 89674633 89674634 C G 31 GENIC homozygous 109905898 2 89674685 89674686 T C 32 GENIC homozygous 109905900