chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 197974938 197974939 A C 71 GENIC heterozygous 110618662 2 197977839 197977840 T C 123 GENIC heterozygous 110199856 2 197977862 197977863 A G 126 GENIC heterozygous 110199857 2 197980936 197980937 C T 62 GENIC possibly homozygous 110199858