chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 178527037 178527038 C T 21 GENIC homozygous 951506292 1 178530738 178530739 C A 17 GENIC homozygous 951506293 1 178532044 178532045 G T 26 GENIC homozygous 951506294