from The Century Dictionary and Cyclopedia

  • n. A hypothetical parent whose stature is taken to be a mean between the actual stature of a father and that of a mother. See the extract.


Sorry, no etymologies found.


  • In the graph below values for mid-parent height and mid-offspring height are plotted for a small sample population (mid-parent height is the average of the height of both parents).


  • Galton's celebrated law of ancestral inheritance, the qualities of any organism are determined to the extent of a certain fraction by its two parents taken together as a "mid-parent," that a smaller definite fraction is contributed by the grandparents taken together as a mid-grandparent, and so on to earlier generations.

    The Doctrine of Evolution Its Basis and Its Scope


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