chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 3819970 3819971 G A 70 GENIC homozygous 109389140 20 3821120 3821121 G A 51 GENIC homozygous 109389141 20 3821291 3821292 A G 69 GENIC homozygous 109389142 20 3821323 3821324 T C 68 GENIC homozygous 109070055 20 3821637 3821638 C G 71 GENIC homozygous 109070057