intercross
Example Sentences
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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 Charles Darwin
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
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
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
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
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