A summary of the genomic variation counts in intact OR coding regions and in OR pseudogenes. A, The absolute count. B, Count normalized per gene. Intact genes, blue and light blue; pseudogenes, orange and yellow. Nonfunctional variations are indicated by arrows. Abbreviations: miss, missense SNP; indel, small insertion/deletion up to 100 bp; del, CNV deletion; dup, CNV duplication; inv, CNV inversion; stop, stop gain/stop loss/ loss of the initiating methionine.