chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 3812768 3812769 A C 16 GENIC homozygous 109572120 20 3814656 3814657 G C 41 GENIC possibly homozygous 109294648 20 3814867 3814868 A G 46 GENIC possibly homozygous 109070033