chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 178527037 178527038 C T 29 GENIC homozygous 971673975 1 178530738 178530739 C A 29 GENIC homozygous 971673976 1 178532044 178532045 G T 25 GENIC homozygous 971673977