chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 217240343 217240344 T C 18 GENIC homozygous 564718223 2 217241117 217241118 G A 28 GENIC homozygous 564718224 2 217244353 217244354 G A 27 GENIC homozygous 564718225 2 217246071 217246075 TTTT ---- 1 GENIC homozygous 708088155