chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 89674351 89674352 G C 9 GENIC homozygous 120199490 2 89674633 89674634 C G 16 GENIC homozygous 109905898 2 89674685 89674686 T C 20 GENIC homozygous 109905900