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.
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 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
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 Charles Darwin
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 Charles Darwin
Much other indirect evidence could be given with respect to the extent to which varieties of the same species spontaneously intercross.
From Effects of Cross and Self Fertilisation in the Vegetable Kingdom by Charles Darwin
