chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 958292 958293 A AT 18 GENIC heterozygous 49999808 12 972000 972007 TTTGGGT ------- 64 GENIC heterozygous 49999815 12 972008 972009 A AAC 56 GENIC heterozygous 49999816