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Related Concept Videos

What is Population Genetics?01:25

What is Population Genetics?

A population is composed of members of the same species that simultaneously live and interact in the same area. When individuals in a population breed, they pass down their genes to their offspring. Many of these genes are polymorphic, meaning that they occur in multiple variants. Such variations of a gene are referred to as alleles. The collective set of all the alleles within a population is known as the gene pool.While some alleles of a given gene might be observed commonly, other variants...
Gene Flow02:39

Gene Flow

Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
Mutation, Gene Flow, and Genetic Drift01:09

Mutation, Gene Flow, and Genetic Drift

In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).Mechanisms of Genetic VariationThe original sources of genetic variation are mutations,...
Genetics of Speciation02:16

Genetics of Speciation

Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.The genetics of speciation involves the different traits or isolating mechanisms preventing gene exchange, leading to reproductive isolation. Reproductive isolation can be due to reproductive barriers that have effects either before or after the formation of a zygote. Pre-zygotic mechanisms prevent fertilization from occurring, and post-zygotic mechanisms...
Multiple Allele Traits01:49

Multiple Allele Traits

The Concept of Multiple Allelism
Multiple Allele Traits01:49

Multiple Allele Traits

The Concept of Multiple Allelism

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Related Experiment Video

Updated: Jun 24, 2026

Heuristic Mining of Hierarchical Genotypes and Accessory Genome Loci in Bacterial Populations
08:03

Heuristic Mining of Hierarchical Genotypes and Accessory Genome Loci in Bacterial Populations

Published on: December 7, 2021

Sam Karlin and multi-locus population genetics.

Marcus W Feldman1

  • 1Department of Biology, Stanford University, Stanford, CA 94305-5020, USA. mfeldman@stanford.edu

Theoretical Population Biology
|April 7, 2009
PubMed
Summary
This summary is machine-generated.

Sam Karlin

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Area of Science:

  • Population genetics
  • Evolutionary biology
  • Mathematical biology

Background:

  • This remembrance honors Sam Karlin's foundational work in deterministic population genetics.
  • Focuses on his contributions between 1967 and 1982.

Discussion:

  • Highlights Karlin's research on multi-locus population genetics.
  • Examines the interplay between genotypic selection and recombination rates.

Key Insights:

  • Karlin's work elucidated complex genetic dynamics in populations.
  • Advanced understanding of how selection and recombination interact across multiple genes.

Outlook:

  • Karlin's theories continue to influence modern population genetics.
  • His research provides a basis for studying genetic diversity and adaptation.