chr start stop reference nuc variant nuc depth genic status zygosity variant ID 13 99531931 99531932 C A 38 GENIC homozygous 114437334 13 99531935 99531936 T C 39 GENIC homozygous 114437335 13 99531974 99531975 C A 28 GENIC homozygous 114437337