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"Infertile" Quotes from Famous Books
... perfectly fertile when crossed, and their mongrel offspring are equally fertile when bred among themselves; while distinct species, on the other hand, however closely they may resemble each other externally, are usually infertile when crossed, and their hybrid offspring absolutely sterile. This used to be considered a fixed law of nature, constituting the absolute test and criterion of a species as distinct from a variety; and so long as it was believed that species were separate ... — Darwinism (1889) • Alfred Russel Wallace |
Words linked to "Infertile" : barren, impotent, unimpregnated, unfruitful, fertile, sterilised, fecundity, unproductive, sterilized, infertility, unfertilized, fertility, unfertilised |
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