PGASetUniformCrossoverProb(3) on Linux

The text 291798c73b50, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it. The page shows this text now.

Probability used in uniform crossover to specify that an allele value value be selected from a particular parent.