chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 116861236 116861237 G T 20 GENIC homozygous 126099997 4 116868249 116868250 A G 22 GENIC homozygous 112817330 4 116868608 116868609 T C 19 GENIC homozygous 112817332