While genetically modified crops are the result of the intentional introduction of “foreign” genes by humans for a specific agricultural purpose, it turns out that nature uses the same trick all the time.
Bacteria of different species share genes for antibiotic resistance. Longhorn beetles borrow bacterial and fungal DNA to digest wood. And some salamander species that produce only female offspring mate with other salamander species in order to continue their line.
Listen to the original podcast: What isn’t a GMO?