chr start stop reference nuc variant nuc depth genic status zygosity variant ID X 16232220 16232222 TT -- 1 GENIC homozygous 45768633 X 16233584 16233585 C A 12 GENIC homozygous 45098161 X 16233892 16233893 T C 7 GENIC homozygous 45098162