Before Darwin, scientists generally agreed that all species of life had existed since creation and would continue unchanged to the end of the world. After Darwin theorized on the origin of species in 1859 it was soon acknowledged that new species do evolve from older ones in a gradual process. Possible beginnings of new species have since been recognized, catalogued and thoroughly investigated, but geneticists still remain ignorant of just what mechanisms trigger them. Now there is hope that a new thread of inquiry might begin to unravel the mystery. A new species appears to be developing in a...
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