Genetics mean what the kids will look like Ex. brown and brown make brown and blonde and blonde make blonde.
But sometimes there is a rare child that looks like neither of the parents.
In Virtual Families 1 they use genetics and rare children
In Virtual Families 2 it is always a random child.
In Virtual Villagers series it is genetics and rare children
In Fish Tycoon there is a fish that makes rare children appear more often.
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