chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 83503400 83503401 C CGTCCAT 24 GENIC heterozygous 47002590 18 83503401 83503402 C G 21 GENIC heterozygous 47002591 18 83503542 83503543 T TCGGC 27 GENIC heterozygous 46542408