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.

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 Darwin, Charles

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 Darwin, Francis, Sir

But these facts do not make me doubt that it is a general law of nature that the individuals of the same species occasionally intercross, and that some great advantage is derived from this act.

From The Variation of Animals and Plants Under Domestication, Volume II (of 2) 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

On the other hand, with dichogamous plants, early or late flowers on the same individual may intercross; and a cross of this kind does hardly any or no good.

From The Different Forms of Flowers on Plants of the Same Species by Darwin, Charles