intercross
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He says, for example:— In the case of methodical selection, a breeder selects for some definite object, and if the individuals be allowed freely to intercross, his work will completely fail.
From Darwin, and After Darwin (Vol 3 of 3) Post-Darwinian Questions: Isolation and Physiological Selection by George John Romanes
There is no doubt that these three pheasants, namely, the common, the true ring-necked, and the Japan, intercross, and are becoming blended together in the woods of several parts of England.
From On the Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. (2nd edition) by Charles Darwin
Mr. Walsh ranks the forms which it may be supposed would freely intercross, as varieties; and those which appear to have lost this power, as species.
From The Origin of Species by means of Natural Selection, 6th Edition by Charles Darwin
The fully-developed males and females are winged, and individuals from distinct nests can hardly fail often to intercross.
From Effects of Cross and Self Fertilisation in the Vegetable Kingdom by Charles Darwin
I have seen several times bees visiting common and sweet peas, and yet varieties, purposely grown close together, hardly ever intercross.
From More Letters of Charles Darwin — Volume 2 by Sir Francis Darwin
