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Tuesday, May 12, 2020 | History

3 edition of Frequency-dependent selection found in the catalog.

Frequency-dependent selection

Royal Society (Great Britain). Discussion Meeting

Frequency-dependent selection

proceedings of a Royal Society Discussion Meeting held on 24 and 25 June 1987

by Royal Society (Great Britain). Discussion Meeting

  • 241 Want to read
  • 37 Currently reading

Published by The Society, Distributed by Scholium International in London, Port Washington, N.Y .
Written in English

    Subjects:
  • Natural selection -- Congresses.,
  • Evolution -- Congresses.,
  • Gene frequency -- Congresses.

  • Edition Notes

    Statementorganized by B.C. Clarke, Linda Partridge, and A. Robertson, and edited by B.C. Clarke and Linda Partridge.
    ContributionsClarke, B. C., Partridge, Linda., Robertson, A., F.R.S.
    Classifications
    LC ClassificationsQH366.2 .R68 1987
    The Physical Object
    Paginationv, 182 p. :
    Number of Pages182
    ID Numbers
    Open LibraryOL2257294M
    ISBN 100854033548
    LC Control Number89136814

    Other articles where Frequency-dependent selection is discussed: evolution: Frequency-dependent selection: The fitness of genotypes can change when the environmental conditions change. White fur may be protective to a bear living on the Arctic snows but not to one living in a Russian forest; there an allele coding for brown pigmentation may be favoured. Define frequency-dependent selection, oscillating selection, and heterozygote advantage, using examples to explain how these processes affect the amount of genetic variation in a population. -Type of selection that depends on frequency of phenotypes in a population.

    Understanding how genetic diversity persists, especially in traits under strong natural selection, has been a long-standing question in evolutionary biology. One process that can maintain variation is negative frequency dependent selection, which is a type of selection where there is a fitness advantage for rare RSVP on Crowdcast. Frequency dependent selection: homage to E. B. Poulton Article in Biological Journal of the Linnean Society 23(1) - 18 January with 53 Reads How we measure 'reads'.

    Frequency-dependent selection Frequency-dependent selection occurs when the fitness of a genotype depends on its frequency. It is possible for the fitness of a genotype to increase (positively frequency-dependent) or decrease (negatively frequency-dependent) as the genotype frequency in the population increases. The chapters include life-history evolution, foraging theory, frequency-dependent selection, evolutionary game theory, kin selection, sex ratio theory, sexual selection (in 14 pages!), and the evolution of sex.


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Frequency-dependent selection by Royal Society (Great Britain). Discussion Meeting Download PDF EPUB FB2

Describe frequency-dependent selection. Negative frequency -dependent selection selects for rare phenotypes in a population and increases a population’s genetic variance. Positive frequency-dependent selection selects for common phenotypes in a. frequency-dependent selection in Public users are able to search the site and view the abstracts and keywords for each book and chapter without a subscription.

Please subscribe or login to access full text content. If you have purchased a print title that contains an access token, please see the token for information about how to. Negative Frequency-Dependent Selection.

Frequency-dependent selection describes “a process in which the survival/fitness advantage of a type is dependent on its relative frequency” (Takahashi & Kawata,p. Negative frequency-dependent selection (NFDS) is at work if a type’s advantage increases as its relative frequency decreases.

Abstract. Frequency-dependent selection (FDS) refers to situations where individual fitnesses are dependent (to some degree) on where the individual’s alleles lie Cited by: 2. Frequency-Dependent Selection: Coevolution.

Frequency-dependent selection occurs when the fitness of a genotype depends on its frequency in the population. Host-parasite or predator-prey interactions are classical examples of negative frequency-dependent selection, leading.

Frequency-dependent Batesian mimicry. The high costs of attacking coral snakes might relax selection These variable levels of predation on good mimics might reflect frequency-dependent (i.

when frequency-dependent selection is su–ciently strong. This bifurcation is ofiered as an explanation of the phenotypic frequency oscillations observed in P. microlepis. An analysis of the bifurcating periodic cycle results in some interesting and unexpected predictions.

Introduction. Frequency-dependent selection (FDS) is a form of. selection types, apostatic selection. Cite this entry Frequency-dependent selection book () Frequency-Dependent Selection. In: Encyclopedia of Genetics, Genomics, Proteomics and Informatics.

There are two types of frequency dependent selection, positive and negative. In the positive case more common forms have an advantage whereas in negative frequency dependent selection less common forms have an advantage.

The classic example of pos. Tag Archives: frequency-dependent selection. Febru am But that’s like saying a new book—say, or at least reduce, certain complications (especially frequency-dependent interactions and clonal interference).

And while I think my planning kept these complications from getting out of hand, the tension between the. The Colours of Animals is a zoology book written in by Sir Edward Bagnall Poulton (–).

It was the first substantial textbook to argue the case for Darwinian selection applying to all aspects of animal coloration. The book also pioneered the concept of frequency-dependent selection and introduced the term " aposematism ". Frequency-dependent Selection Another type of selection, called frequency-dependent selection, favors phenotypes that are either common (positive frequency-dependent selection) or rare (negative frequency-dependent selection).

An interesting example of this type of selection is seen in a unique group of lizards of the Pacific Northwest.

Frequency-dependent selection occurs if the selection coefficient for an allele is not constant, but changes in dependence on the frequency of this allele in the population. If this type of allele is to maintain polymorphism in the population, it is necessary that the selection value of this allele increase with decreasing frequency of this.

Genetic variation of a prey population can be affected by a range of variables, one of which is wild birds. Many species of prey population are polymorphic and wild birds hunt by sight which may means they select one morph of their prey over the other. The aim of this investigation is to use artificial prey to examine whether birds in an urban area, such as a garden of a residence, operate via Author: Sarah Jayne Drinkwater.

selection, population, ecology, population genetics, ecological genetics and molecular evolution review the evidence for frequency-dependent selection and discuss its consequences for evolutionary theory. pages clothbound ISBN 0 8 First published in Philosophical Transactions of the Royal Society, Series B, Vol.

What follows are my lecture notes for Math Mathematical Biology, taught at the Hong Kong University of Science and Technology. This applied mathematics course is primarily for final year mathematics major and minor students.

Other students are also welcome to enroll, but must have the necessary mathematical skills. Looking for Frequency dependent selection.

Find out information about Frequency dependent selection. A type of natural selection that decreases the frequency of more common phenotypes in a population and increases the frequency of less common phenotypes Explanation of Frequency dependent selection. The main strength of this article is that we allow the nature of selection acting on the trait locus A to be completely general: fitnesses may be constant or frequency dependent, and selection may be directional (favoring the spread of one allele) or balancing (maintaining a polymorphism).

Frequency-dependent selection is commonly considered in speciation models because it can, under the right Cited by: frequency-dependent selection any SELECTION in which the FITNESS of genotypes is directly related to the proportions of the various PHENOTYPES present in a population, so that the frequency of the more common types is decreased and the less common types is increased.

Mr Lima compares and examplifies negative and positive frequency dependent selection types. “[An Introduction to Behavioural Ecology, 4th Edition] Stands tall as the textbook to have in the field of Behavioral Ecology I expect anyone with an A level in Biology, or equivalent, or an interest in Zoology without the qualification, could pick this book up and get a lot out of it What this book is, is good science explained well, I Cited by: • Evolution: change in allele frequencies within a population over time.

A mouse is a vehicle for mouse Frequency dependent selection • Strength of selection depends on frequency • For example, if the allele that is rare is favored • Two examples –Book scale eating fish –Sex.

Scale eating fish Perissodus microlepis Lake.Natural Selection and Adaptive Evolution. Frequency-dependent selection in side-blotched lizards: A yellow-throated side-blotched lizard is smaller than either the blue-throated or orange-throated males and appears a bit like the females of the species, allowing it to sneak copulations.

Frequency-dependent selection allows for both common.