chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 189616325 189616326 C T 16 GENIC homozygous 972000869 2 189622377 189622378 C T 24 GENIC homozygous 972000870 2 189624005 189624006 C T 24 GENIC possibly homozygous 972000871