chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 189887920 189887921 C G 28 GENIC homozygous 110805147 2 189894257 189894258 C T 22 GENIC homozygous 110172180 2 189895180 189895181 A C 39 GENIC homozygous 110172181 2 189899893 189899894 T C 18 GENIC homozygous 110172189