Figure 4 The uniform crossover operator

Parent 1  1  1  0  0  0  1  0  0  0  1  1  1  0
Parent 2  1  0  1  1  1  1  1  1  0  0  1  1  0
Mask      1  0  0  1  1  0  1  0  0  0  0  1  1
Child 1   1  0  1  0  0  1  0  1  O  0  1  1  O
Child 2   1  1  0  1  1  1  1  0  0  1  1  1  0