sexual selection(redirected from Theory of sexual selection)
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a form of natural selection in which, according to darwinian theory, the male or female is attracted by certain characteristics, form, color, behavior, etc., in the opposite sex; thus modifications of a special nature are brought about in the species.
Farlex Partner Medical Dictionary © Farlex 2012
The process in nature by which individuals with certain traits, especially secondary sex characteristics such as colorful plumage and large antlers, are chosen more often for mating and thus pass those traits on to their offspring.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
sex·u·al se·lec·tion(sek'shū-ăl sĕ-lek'shŭn)
A form of natural selection in which, according to Darwin's theory, the male or female is attracted by certain characteristics, forms, colors, behaviors, and phenomena, in the opposite sex; thus, modifications of a special nature are brought about in the species.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
sexual selectionthe selection of a mate by female animals where, for example, the most brightly coloured is favoured, so maintaining brightly coloured males in a population. Some authorities consider that sexual selection explains the existence of SECONDARY SEXUAL CHARACTERS.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005