chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 31315315 31315316 A G 35 GENIC homozygous 109164638 20 31315366 31315367 T C 31 GENIC homozygous 109374775 20 31315604 31315605 T G 29 GENIC homozygous 109374777 20 31317130 31317131 G A 22 GENIC homozygous 109435558 20 31318528 31318529 A G 24 GENIC homozygous 109435560