chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 227052063 227052064 G T 10 GENIC heterozygous 925896668 1 227060931 227060932 T C 18 GENIC heterozygous 925896669 1 227061763 227061764 T C 21 GENIC heterozygous 925896670