chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 225233257 225233258 C A 12 GENIC homozygous 120476034 1 225233258 225233259 A C 12 GENIC homozygous 108771603 1 225310722 225310723 C T 16 GENIC homozygous 120733525 1 225386457 225386458 T A 15 GENIC homozygous 108557095