Geographic Variation, Speciation and Clines
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A01=John A. Endler
Allele
Allopatric speciation
Assortative mating
Asymmetry
Author_John A. Endler
Calculation
Category=PSAJ
Character displacement
Chromosomal rearrangement
Chromosome
Correlation coefficient
Drosophila
Ecotone
Emergence
Environmental gradient
Epistasis
eq_bestseller
eq_isMigrated=1
eq_isMigrated=2
eq_nobargain
eq_non-fiction
eq_science
Evolution
Fecundity
Fitness (biology)
Frequency distribution
Frequency-dependent selection
Gene
Gene flow
Gene Frequency
Gene polymorphism
Generation time
Genetic correlation
Genetic distance
Genetic divergence
Genetic diversity
Genetic drift
Genetic equilibrium
Genetic linkage
Genetic variability
Genotype
Genotype frequency
Genotype-phenotype distinction
Haldane's rule
Heredity
Heterogametic sex
Heterozygote advantage
Human genetic variation
Hybrid inviability
Hybrid zone
Hypothetical species
Inbreeding
Intergradation
Parapatric speciation
Philopatry
Ploidy
Population genetics
Population size
Regional differentiation
Reproductive isolation
Ring species
Selection coefficient
Sex allocation
Sex ratio
Speciation
Species complex
Species distribution
Subfossil
Subspecies
Supergene
Sympatry
Taxon
Transect
V0
Wahlund effect
Wild type
X chromosome
X0
Product details
- ISBN 9780691081922
- Weight: 312g
- Dimensions: 140 x 216mm
- Publication Date: 21 Sep 1977
- Publisher: Princeton University Press
- Publication City/Country: US
- Product Form: Paperback
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Geographic Variation, Speciation and Clines explores the origins and development of geographic variation, divergence, and speciation. In particular it is concerned with genetic divergence as it is usually found on continents, among groups of populations isolated only by distance. Although earlier writers on this topic considered the effects of geography and dispersal, intense geographic differentiation and speciation were thought to require complete isolation. Professor Endler shows how geographic differentiation and speciation may develop in spite of continuous gene flow. Following a review of the diverse and scattered literature on gene flow and population differentiation, the author discusses the relationships among gene flow, dispersal, and migration. He then summarizes the factors which limit the geographic extent of gene flow, and those which allow steep clines to develop in the absence of barriers to gene flow. His analysis draws on examples from the field, experiments, and single- and multiple-locus models. The mechanism and conditions for parapatric speciation are presented: steepening clines, development into hybrid zones, and the evolution of sexual isolation.
In the final chapter the author considers the interpretation of natural clines and the associated geographic patterns of subspecies and species.
