chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 21231747 21231748 T A 70 GENIC heterozygous 50286558 12 21231800 21231801 G A 67 GENIC heterozygous 50286559 12 21231817 21231818 G A 64 GENIC heterozygous 50286560