chr start stop reference nuc variant nuc depth genic status zygosity variant ID X 15174949 15174950 T C 3 GENIC homozygous 129808825 X 15175672 15175673 T C 4 GENIC homozygous 125100855 X 15181267 15181268 G A 8 GENIC homozygous 108562913 X 15181640 15181641 C T 6 GENIC homozygous 108562915