chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 33370066 33370068 GA -- 23 GENIC heterozygous 747918629 1 33370109 33370111 TG -- 24 GENIC heterozygous 747918630 1 33378836 33378837 C CT 17 GENIC heterozygous 747918631