chr start stop reference nuc variant nuc depth genic status zygosity variant ID 3 74297788 74297789 C A 14 GENIC homozygous 111613633 3 74297841 74297842 A C 14 GENIC homozygous 111613635 3 74298227 74298228 C A 23 GENIC homozygous 111613637