@sallyforthe Animals have genes they don't use. All birds have genes that code for the formation of teeth but those genes are inhibited, this is evidence that birds evolved form ancestors with teeth. If they were created as they are they just wouldn't have
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Researchers at the University of California, Riverside used a database of genome sequences of 48 species of birds representatives for every order of bird. They found that all 48 species had deactivated genes for teeth formation. https://t.co/iuEMLd1DeM
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Pero conseguir que un embrión de pollo desarrolle estructuras que deriven en dientes no lo es todo. Los dientes están cubiertos por esmalte y dentina y esos genes están inactivados en aves, como lo están en otros animales desdentados como tortugas https:/