chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 27595268 27595269 A T 22 GENIC homozygous 109154444 20 27612683 27612684 T C 22 GENIC homozygous 109154446 20 27625406 27625407 A G 41 GENIC homozygous 109154448 20 27658242 27658243 C T 18 GENIC homozygous 109154450