chr start stop reference nuc variant nuc depth genic status zygosity variant ID 3 21685775 21685776 G A 7 GENIC homozygous 111504269 3 21686795 21686796 A G 17 GENIC homozygous 111504271 3 21686860 21686861 G A 13 GENIC homozygous 111504273