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.
From the inward curvature of the lobes as they approach each other, the tips of the marginal spikes first intercross, and ultimately their bases.
From Insectivorous Plants by Darwin, Charles
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 Darwin, Charles
Why then do not the varieties occasionally intercross, though this would not often happen, as insects so rarely act in an efficient manner?
From Effects of Cross and Self Fertilisation in the Vegetable Kingdom by Darwin, Charles
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 Romanes, George John
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 Darwin, Charles