chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 4044422 4044423 A G 20 INTERGENIC heterozygous 45374643 20 4044544 4044545 A T 19 INTERGENIC heterozygous 45374644 20 4044834 4044835 T C 19 GENIC heterozygous 45374645