chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 100557013 100557015 TT 36 GENIC homozygous 132530119 1 100557200 100557201 G A 35 GENIC homozygous 108899206 1 100557504 100557505 T C 32 GENIC homozygous 108899207