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Adaptive Diversification Due to Resource Competition in Sexual Models

Michael Doebeli

in Adaptive Diversification (MPB-48)

Published in print:
2011
Published Online:
October 2017
ISBN:
9780691128931
eISBN:
9781400838936
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691128931.003.0004
Subject:
Biology, Biodiversity / Conservation Biology

This chapter examines evolutionary branching in sexual populations. As sexual populations converge to what would be a branching point in clonal models, splitting obviously becomes a problem, because ... More


Host Shifts, the Evolution of Communication, and Speciation in the Enchenopa binotata Species Complex of Treehoppers

Reginald B. Cocroft, Rafael L RodrÍGuez, and Randy E. Hunt

in Specialization, Speciation, and Radiation: The Evolutionary Biology of Herbivorous Insects

Published in print:
2008
Published Online:
March 2012
ISBN:
9780520251328
eISBN:
9780520933828
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520251328.003.0007
Subject:
Biology, Evolutionary Biology / Genetics

This chapter examines the role of communication systems in the diversification of the Enchenopa binotata species complex of treehoppers. It first discusses the role of ecological factors in promoting ... More


Marriage Patterns

C. Y. Cyrus Chu and Ruoh‐Rong Yu

in Understanding Chinese Families: A Comparative Study of Taiwan and Southeast China

Published in print:
2009
Published Online:
February 2010
ISBN:
9780199578092
eISBN:
9780191722424
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199578092.003.0005
Subject:
Economics and Finance, South and East Asia

Three aspects of Chinese marriages are studied in this chapter: age of marriage, decision sovereignty of the couple, and marriage assortment. Traditionally Chinese married young, with their marriage ... More


Evolutionary Branching in a Classical Model for Sympatric Speciation

Michael Doebeli

in Adaptive Diversification (MPB-48)

Published in print:
2011
Published Online:
October 2017
ISBN:
9780691128931
eISBN:
9781400838936
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691128931.003.0002
Subject:
Biology, Biodiversity / Conservation Biology

This chapter begins by considering the Maynard Smith model. Much of this work concentrated on the genetic mechanisms for assortative mating and reproductive isolation, based on the assumption that ... More


Social influences on human assortative mating

Del Thiessen

in The Descent of Mind: Psychological Perspectives on Hominid Evolution

Published in print:
2000
Published Online:
March 2012
ISBN:
9780192632593
eISBN:
9780191670497
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780192632593.003.0016
Subject:
Psychology, Cognitive Psychology

Sociobiologists and evolutionary psychologists emphasise that mate choice is based on Darwinian natural selection for individual fitness. This chapter refers to this as the individual imperative. ... More


Short-term Changes in the Variance: 1. Changes in the Additive Variance

Bruce Walsh and Michael Lynch

in Evolution and Selection of Quantitative Traits

Published in print:
2018
Published Online:
September 2018
ISBN:
9780198830870
eISBN:
9780191868986
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198830870.003.0016
Subject:
Biology, Evolutionary Biology / Genetics, Biochemistry / Molecular Biology

Selection changes the additive-genetic variance (and hence the response in the mean) by both changing allele frequencies and by generating correlations among alleles at different loci (linkage ... More


Marriage and the Family

Howard Bodenhorn

in The Color Factor: The Economics of African-American Well-Being in the Nineteenth-Century South

Published in print:
2015
Published Online:
April 2015
ISBN:
9780199383092
eISBN:
9780199383115
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199383092.003.0006
Subject:
Economics and Finance, Economic History

This chapter provides and tests an economic model of race-based matching in marriage markets. The available data demonstrate a powerful tendency toward race and color marriage homogamy. ... More


Changes in allele and genotype frequency

Glenn-Peter Sætre and Mark Ravinet

in Evolutionary Genetics: Concepts, Analysis, and Practice

Published in print:
2019
Published Online:
July 2019
ISBN:
9780198830917
eISBN:
9780191868993
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198830917.003.0003
Subject:
Biology, Evolutionary Biology / Genetics, Biomathematics / Statistics and Data Analysis / Complexity Studies

Evolution is the change in heritable traits of populations over successive generations. At the molecular level this translates into changes in their genetic composition. A general theoretical ... More


Spousal Health Effects

James Banks, Elaine Kelly, and James P. Smith

in Discoveries in the Economics of Aging

Published in print:
2014
Published Online:
January 2015
ISBN:
9780226146096
eISBN:
9780226146126
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226146126.003.0008
Subject:
Economics and Finance, Public and Welfare

In this paper, we investigate the issue of partner selection in the health of individuals who are at least fifty years old in England and the United States. We find a strong and positive association ... More


Sex Preferences and Two-Sex Models

C. Y. Cyrus Chu

in Population Dynamics: A New Economic Approach

Published in print:
1998
Published Online:
November 2020
ISBN:
9780195121582
eISBN:
9780197561287
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195121582.003.0010
Subject:
Earth Sciences and Geography, Economic Geography

The demographic models I reviewed in previous chapters are all one-sex models, in which the sex referred to is usually the female. This setting can be ... More


The Battle to Define Life Chances and the Distributional Consequences of the Current Education and Economic Systems in America

Willliam Elliott and Melinda Lewis

in Making Education Work for the Poor: The Potential of Children's Savings Accounts

Published in print:
2018
Published Online:
November 2020
ISBN:
9780190621568
eISBN:
9780197559697
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190621568.003.0006
Subject:
Education, Educational Policy and Politics

Our stories serve to illustrate that divergent experiences are not primarily the result of different choices or preferences. Willie’s route to and through higher ... More


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