chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 68775438 68775439 G GGT 18 GENIC heterozygous 46667694 18 68775439 68775441 GT -- 18 GENIC heterozygous 46849207 18 68781919 68781920 G GAAAAAAAAAAAA 10 GENIC heterozygous 46821351