Advantageous changes don't get selected; seriously disadvantageous changes that prevent reproduction get selected.
As I understand your statement it is wrong. Genomicus is also not quite correct for different reasons.
Changes that enhance the chances of generating viable offspring do enhance the prospects of a population dominating over those without the advantage.
Selection is both a negative (purifying selection) as well as a positive process.
Under a government which imprisons any unjustly, the true place for a just man is also in prison. Thoreau: Civil Disobedience (1846)
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