chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 177572647 177572648 A G 25 GENIC homozygous 108401888 1 177572864 177572865 C T 15 GENIC homozygous 108401890 1 177572988 177572989 T C 24 GENIC homozygous 108401892