Is genetic manipulation a part of evolution?

If glowing in the dark is something humans will value in pigs, and ensure the trait propagates, then yes.

A lot of domestic animals, if not most of them, are completely unsuited for life in the wild. Yet they are far more numerous, i.e. successful, than their wild relatives. In terms of evolutionary biology, they are symbiotic with humans. Traits humans find useful or attractive are the ones selected for.

 

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