The Genetical Theory of Natural Selection

  title={The Genetical Theory of Natural Selection},
  author={R. A. Fisher}
Molecular signatures of resource competition: clonal interference drives the emergence of ecotypes
It is found that large mutational inputs can foster diversification under sympatry, increasing the probability that phenotypically and genetically distinct clusters arise and stably coexist, constituting an initial form of community.
Analysis of genetic diversity in a close population of Zandi sheep using genealogical information
In a Fisher–Wright idealized population (Fisher 1930; Wright 1931), characterized by Poisson distribution of family size, large number of breeders, random mating, equal sex ratio, absence of
On the change of population fitness by natural selection2 3
A general equation for the role of additive, dominance, and epistatic components of fitness in determining the rate of change in population fitness is given and claims that this law should hold the same position among the biological sciences as the second law of thermodynamics in physical sciences.
Phenotypic plasticity
The concept of plasticity will only prove useful when it comes to shedding light on ancient evolutionary issues that have until now remained unresolved, according to the idea Pigliucci proposes.
J.B.S. Haldane (1892–1964)
In view of the leadership of J.B.S. Haldane, the chief architect who formulated the “malaria hypothesis,” it is of interest to review his contributions to genetics briefly, especially to the aspects
Thought Experiments in Biology
How does epistasis influence the response to selection?
A review of evidence on selection strength suggests that although most variance in fitness may be because of alleles with large Nes, substantial amounts of adaptation may be due to alleles in the infinitesimal regime, in which epistasis has modest effects.
Sex-specific early survival drives adult sex ratio bias in snowy plovers and impacts mating system and population growth
A detailed individual-based demographic analysis of an intensively studied wild bird population to evaluate origins of sex biases and their consequences on mating strategies and population dynamics suggests sex-biased early survival may contribute toward mating system evolution and population persistence.


An Autosomal Bristle Modifier, Affecting a Sex-Linked Character
The semiforked modifier rarely produces any visible effect when homozygous unless the forked gene is present, so it is unlikely that heterozygous forked flies are affected.
An Investigation by Pedigree Breeding into the Polymorphism of Papilio polytes, Linn
The following paper gives an account of a series of breeding experiments which were made with the butterfly Papilio polytes , Linn., in the course of one and a half years’ research on insect
The Variation of Animals and Plants under Domestication
This series offers not only works by Darwin, but also the writings of his mentors in Cambridge and elsewhere, and a survey of the impassioned scientific, philosophical and theological debates sparked by his ‘dangerous idea’.