chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 189828177 189828178 T G 21 GENIC homozygous 120129866 2 189831648 189831649 C A 23 GENIC homozygous 110805112 2 189833916 189833917 A C 18 GENIC homozygous 110172095 2 189835091 189835092 T A 29 GENIC homozygous 110805115