chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 174380156 174380157 C T 12 GENIC heterozygous 60950229 1 174380197 174380198 A G 17 GENIC heterozygous 60950230 1 174380306 174380307 T G 19 GENIC possibly homozygous 60950231