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discontinuous variation

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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Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for discontinuous variation
Historical Examples
  • Suppose that evolution "in the open" had taken place in the same way, by means of discontinuous variation.

  • The nectarine from the peach, thus becomes as clear-cut a case of discontinuous variation as can be.

    The Peaches of New York U. P. Hedrick

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