chr start stop reference nuc variant nuc depth genic status zygosity variant ID 16 6962892 6962893 G A 44 GENIC homozygous 777467218 16 6963081 6963082 G C 46 GENIC homozygous 777467219 16 6963424 6963425 T C 35 GENIC homozygous 777467220