When Thomas Hunt Morgan began experimenting with breeding the fruit fly Drosophila melanogaster, he was a saltationist who hoped to demonstrate that a new species could be created in the lab by mutation alone.
Cando Thomas Hunt Morgan empezou a experimentar con cruzamentos con moscas do vinagre Drosophila melanogaster, era un saltacionista que esperaba demostrar que se podía crear unha nova especies no laboratorio só por mutacións.