chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 4696731 4696732 A AC 28 INTERGENIC heterozygous 45838749 20 4697402 4697403 G GAGGA 4 INTERGENIC heterozygous 45838750 20 4697804 4697805 C - 2 INTERGENIC homozygous 45838752