chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 3819970 3819971 G A 48 GENIC homozygous 109389140 20 3820501 3820502 T A 8 GENIC heterozygous 133651451 20 3821120 3821121 G A 54 GENIC homozygous 109389141 20 3821291 3821292 A G 56 GENIC possibly homozygous 109389142 20 3821323 3821324 T C 54 GENIC homozygous 109070055 20 3821637 3821638 C G 58 GENIC possibly homozygous 109070057