chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 280335525 280335526 C A 4 GENIC homozygous 108667370 1 280336170 280336171 A T 6 GENIC homozygous 120477786 1 280337673 280337674 T C 10 GENIC homozygous 108667372