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The Evolution of Costly Mate Preferences II. The 'Handicap' Principle
Yoh Iwasa, Andrew Pomiankowski and Sean Nee
Vol. 45, No. 6 (Sep., 1991), pp. 1431-1442
Published by: Society for the Study of Evolution
Stable URL: http://www.jstor.org/stable/2409890
Page Count: 12
You can always find the topics here!Topics: Phenotypic traits, Disabilities, Viability, Mating behavior, Genetic mutation, Evolution, Ecological competition, Genetics, Sexual selection, Epistasis
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We use a general additive quantitative genetic model to study the evolution of costly female mate choice by the "handicap" principle. Two necessary conditions must be satisfied for costly preference to evolve. The conditions are (i) biased mutation pressure on viability and (ii) a direct relationship between the degree of expression of the male mating character and viability. These two conditions explain the success and failure of previous models of the "handicap" principle. Our model also applies to other sources of fitness variation like migration and host-parasite coevolution, which cause effects equivalent to biased mutation.
Evolution © 1991 Society for the Study of Evolution