(a) Histogram of gene expression values (log(quant values)) of ACTB obtained from the limiting dilution experiment. A fit to paired Poisson distributions also suggests that these data represent expression from a single cell rather than one or more cells. (b) Quantile-quantile plot.
Mar et al. Genome Biology 2006 7:R119 doi:10.1186/gb-2006-7-12-r119