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Evolution is the change of allele frequency in a population of organisms.

So, for a characteristic to affect evolution it must be heritable, genetically so, it must be selected for, or be the result of recombination processes and it must be in the germ line where it is passed to future generation of, hopefully, reproductively successful organisms who leave enough decedents to change the allele frequency in the populations gene pool over time.

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11y ago
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11y ago

It must change the alleles of populations over time. Natural selection, the immediate environmental pressure, can effect not only evolution by adaptive change over time.

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Q: What must be true for a characteristic to affect evolution?
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