chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 178527037 178527038 C T 31 GENIC homozygous 977982095 1 178530738 178530739 C A 59 GENIC homozygous 977982096 1 178532044 178532045 G T 48 GENIC homozygous 977982097