Figure 2From: Odorant receptor expressed sequence tags demonstrate olfactory expression of over 400 genes, extensive alternate splicing and unequal expression levelsThe cDNA screen suggests different expression levels for different olfactory receptors. Distribution of number of cDNAs observed (dots) and expected (triangles, line) per olfactory receptor gene among 1,176 olfactory receptor cDNAs identified, based on a Poisson distribution.Back to article page