“Microevolution does not lead beyond the confines of the species, and the typical products of microevolution, the geographic races, are not incipient species. There is no such category as incipient species.”

 

Richard B. Goldschmidt, The Material Basis of Evolution (1960), p. 396. [“Incipient” = the early, initial stages of something new.]

Note:  Richard B. Goldschmidt, German-born U.S. zoologist and geneticist

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