chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 44434041 44434042 C CTTTTTTTTTTTT 5 GENIC heterozygous 50545055 12 44434042 44434044 TT -- 5 GENIC heterozygous 50212880 12 44436499 44436500 C T 23 GENIC homozygous 50470085