chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 81872462 81872463 C T 31 GENIC homozygous 61882927 1 81873162 81873164 AA -- 11 GENIC homozygous 61448623 1 81874151 81874152 T TTTTG 13 GENIC homozygous 61882928