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
We have also seen that as plants became more highly developed and affixed to the ground, they would be compelled to be anemophilous in order to intercross.
From Effects of Cross and Self Fertilisation in the Vegetable Kingdom by Charles Darwin
The individuals which have already begun to vary will intercross one with another by the aid of insects; and this accounts for the extreme diversity of character which many of our long cultivated plants exhibit.
From Effects of Cross and Self Fertilisation in the Vegetable Kingdom 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
But if, in fact, all hermaphrodites do occasionally intercross, the difference between them and unisexual species is, as far as function is concerned, very small.
From The Origin of Species by means of Natural Selection, 6th Edition by Charles Darwin
