from The Century Dictionary and Cyclopedia
- n. An ideal person of composite sex who is the algebraical sum of the grandfathers and grandmothers.
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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.
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