discontinuous variation

American  

noun

Biology.

1. variation in phenotypic traits in which types are grouped into discrete categories with few or no intermediate phenotypes.

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Example Sentences

See Examples For:

discontinuous variation

Mendel worked instead with traits that show discontinuous variation.

From Textbooks ● Apr. 25, 2013

I think I have demolished "discontinuous variation" as having any but the most subordinate part in evolution of species.

From Alfred Russel Wallace: Letters and Reminiscences, Vol. 2 by James Marchant

The next letter relates to the rising school of biologists who, in opposition to Darwin's views, held that species might arise by what was at the time termed "discontinuous variation."

From Alfred Russel Wallace: Letters and Reminiscences, Vol. 2 by James Marchant

Suppose that evolution "in the open" had taken place in the same way, by means of discontinuous variation.

From A Critique of the Theory of Evolution by Thomas Hunt Morgan

This seems crude when stated with archaic frankness but becomes plausible if paraphrased in modern language as "discontinuous variation and the spontaneous origin of definite species."

From Hinduism and Buddhism, An Historical Sketch, Vol. 1 by Sir Charles Eliot

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