chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 115867224 115867225 C T 25 GENIC homozygous 674957775 7 115867655 115867656 T A 31 GENIC homozygous 674957776 7 115868179 115868180 T C 24 GENIC homozygous 674957777