chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 224724106 224724107 A G 17 GENIC homozygous 57111784 4 224725448 224725449 G C 2 GENIC homozygous 57111788 4 224725945 224725946 T C 13 GENIC possibly homozygous 57111790