chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 256383799 256383800 C T 90 GENIC homozygous 108620843 1 256384725 256384726 A G 43 GENIC homozygous 108620845 1 256385673 256385674 C 10 GENIC homozygous 127505448 1 256386181 256386182 T 52 GENIC homozygous 127505449