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How do changes in DNA affect changes in adaptations?

(I am of the assumption that changes in DNA spur the adaptations that take place--at least those through genetic mutation--and thus the adaptations that are most beneficial prevail. May I please have some clarification? Thank you!)

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Samantha

  1. Assuming that the DNA changes effect phenotype and/or behavior (some do not), your assumption is correct. No clarification necessary.

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    PsyDAG

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