Youatt gives an excellent illustration of the effects of a course of selection which may be considered as unconscious, in so far that the breeders could never have expected, or even wished, to produce the result which ensued-namely, the production of the distinct strains.
Youattek honetaz adibide bikain bat ematen du. Hazleek gertaturiko emaitza sortzerik inoiz ez espero ez nahi ezin zezaketen heinean inkontzientetzat jo daitekeen hautespen-prozesu bat da, bi kasta ezberdin sortarazi zuena.