chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 20288909 20288910 C T 10 GENIC homozygous 887384580 12 20289924 20289925 A C 8 GENIC homozygous 887384571 12 20294003 20294004 G C 15 GENIC homozygous 887384581 12 20294026 20294027 A G 4 GENIC heterozygous 887384582