Why can only traits controlled by genes be acted upon by natural selection?

asked Jan 7, 2017 19.8k views

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Answer: The traits have to be beneficial to the survival of the species

Zysce answered Jan 10, 2017

by Zysce

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Traits controlled by genes can only be acted upon natural selection because they have to helpful to the survival of that organism.

Malitta N answered Jan 12, 2017

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