Researchers have shown that an Amazonian butterfly is a hybrid species, formed by two other species breeding together almost 200,000 years ago. Researchers have shown that an Amazonian butterfly is a hybrid species, formed by two other species breeding together almost 200,000 years ago.
Researchers have shown that an Amazonian butterfly is a hybrid species, formed by two other species breeding together almost 200,000 years ago.
Scientists now understand, however, that the branches in the tree of life are tangled, with genes being transferred from one species to another by occasional interbreeding. This can theoretically result in the formation of a new species; a process known as hybrid speciation. "In the few examples that exist, either the supposed hybrid species have only existed for a few generations and may be short-lived entities, or the hybrid species does not live alongside its parental species, making it difficult to know whether it is actually a new species."
"This increased mixing will likely cause more genes to move among species, in some cases leading to species being swamped by other species' genes, and in other cases possibly to the formation of new hybrid species in the future."Neil Rosser, Fernando Seixas, Lucie M.
Mating And Breeding Nature Evolutionary Biology Evolution Origin Of Life Fossils Early Humans
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