For selective breeding to be successful, the desired trait must

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For selective breeding to be successful, the desired trait must be heritable, meaning it can be passed down from one generation to the next genetically. Factors like the environment and non-genetic influences can also affect traits, but as long as the trait is heritable, it can be selected for and developed through breeding programs. Traits that are not heritable cannot be reliably passed down to future generations, so they would not be good targets for select breeding efforts.

For Selective Breeding to Be Successful, the Desired Trait Must