chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 178527037 178527038 C T 15 GENIC homozygous 995967513 1 178530738 178530739 C A 21 GENIC homozygous 995967514 1 178532044 178532045 G T 21 GENIC homozygous 995967515