chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 174133711 174133712 C T 49 GENIC homozygous 977976861 1 174134645 174134646 T C 43 GENIC homozygous 977976862 1 174135776 174135777 G A 23 GENIC homozygous 977976863