chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 6778775 6778779 TTTC ---- 1 INTERGENIC homozygous 46788715 18 6781720 6781722 TC -- 4 INTERGENIC heterozygous 46874481 18 6781812 6781816 CACA ---- 4 INTERGENIC heterozygous 46839410