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.

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

In "Cross and Self-Fertilisation," page 156, Darwin quotes the information received from Delpino and referred to in the present letter—namely, that it is the fixed opinion of the Italian gardeners that the varieties do intercross.

From More Letters of Charles Darwin — Volume 2 by Darwin, Francis, Sir

Phaseolus vulgaris is perfectly self-sterile; nevertheless, varieties growing in the same garden sometimes intercross largely.

From Effects of Cross and Self Fertilisation in the Vegetable Kingdom by Darwin, Charles

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 The Origin of Species by means of Natural Selection, 6th Edition by Darwin, Charles