chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 83503400 83503401 C CGT 9 GENIC homozygous 46542406 18 83503401 83503402 C CCATG 10 GENIC homozygous 46542407 18 83503542 83503543 T TCGGC 7 GENIC homozygous 46542408