noun Animal Behavior, Psychology.
the reproductive pairing of individuals that have more traits in common than would likely be the case if mating were random (contrasted with disassortative mating).
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Origin of assortative mating
First recorded in 1895–1900
Words nearby assortative mating
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Medical definitions for assortative mating
[ ə-sôr′tə-tĭv ]
Nonrandom mating in which individuals mate preferentially according to phenotype.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.