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Evolution of probability distributions for the probability of the gene that will be active (on) after the bifurcation to be on (A) and off (B) and the gene that will be inactive (off) to be on (C) and off (D) as a function of the order parameter Xad for a symmetric switch. The bifurcation occurs at Xad = 44, Xeq = 1000, ω = 0.5.
