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Title: On Defining Species in Terms of Sterility: Problems and Alternatives 
Author: Paterson, Hugh
Date: 1988
Publisher: University of Hawaii Press
Citation: Paterson H. 1988. On defining species in terms of sterility: problems and alternatives. Pac Sci 42(1-2): 65-71.
Abstract: Despite its historic role as a criterion of species status, intersterility
sensu lato is not an acceptable characteristic for delineating the genetic
species or field of gene recombination. This conclusion is not new since it is in
agreement with Darwin 's views as expressed in Origin of Species (1859). The
critical role of sterility in distinguishing between the prevailing genetic concept
of species and its rival, the recognition concept, is demonstrated. Factors that
may have led to the general acceptance of Wallace's views on speciation, rather
than Darwin's, are briefly discussed.
ISSN: 0030-8870

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