chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 55040298 55040299 T C 2 GENIC homozygous 63895775 18 55040304 55040305 C G 2 GENIC heterozygous 63895776 18 55047883 55047884 C G 20 GENIC homozygous 84654393