chr start stop reference nuc variant nuc depth genic status zygosity variant ID 16 20373814 20373815 C T 19 GENIC homozygous 977236940 16 20374276 20374277 A G 15 GENIC homozygous 977236941 16 20377227 20377228 T C 19 GENIC homozygous 977236942 16 20378173 20378174 G A 8 GENIC homozygous 977236943