chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 199373404 199373405 C T 16 GENIC homozygous 108500281 1 199373867 199373868 A G 16 GENIC homozygous 108500283 1 199376764 199376765 C T 17 GENIC homozygous 108500285