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Kallikak

[ kal-i-kak ]
/ ˈkæl ɪˌkæk /
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noun
the fictitious name of an actual family that was the focus of a sociological study: one branch of feeble-minded descendants were mostly social degenerates, while another branch with descendants of normal intelligence were mostly successful.
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Origin of Kallikak

<Greek kalli-calli- + kak- (see caco-)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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