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2017 Word of the Year

discontinuous variation

noun, Biology.
1.
variation in phenotypic traits in which types are grouped into discrete categories with few or no intermediate phenotypes.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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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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