intercross

Example Sentences

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Column 3: Plants from an intercross between the Plants of the Eighth Self-fertilised Generation.

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

Whatever the cause may be, we may conclude, that in England the varieties never or very rarely 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

Both species are grown in pure form in Korea, and they intercross readily, and we do not regard it as a new species.

From Northern Nut Growers Association Report of the Proceedings at the 44th Annual Meeting Rochester, N.Y. August 31 and September 1, 1953 by Northern Nut Growers Association