Biology News
Comes naturally? Using stick insects to study natural selection ... - Phys.Org


Phys.Org
Is evolution predictable? Are changes in a species random or do they happen because of natural selection?

National lab acquires facility to ease diagnostics - The New Times


The New Times
The Ministry of Health has launched a nucleic acid laboratory, a facility that will make diagnosis by examining the genes of pathogens using molecular biology. A nucleic acid laboratory is one that uses molecular biology technics to detect the genetic ...

Stress-induced changes in genetic information: New details ... - Science Daily


Science Daily
Scientists have researched the function of an enigmatic protein. The biological necessity of this protein, which can chemically alter certain building blocks of the genetic information, has been debated for quite a while. The new study now links the ...

Random Genetic Drift

La Habra - United States

Describes the how genetic drift, one of the most important mechanisms of evolution, works.

  • Category:

    Evolution - Genetic Drift

  • Image:

  • Description:

    Random Genetic Drift
    Natural selection isn't the only mechanism of evolution. One of the most important theories of evolution entails genetic drift. Some have argued that drift is more important than selection in evolving new species.

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Random Genetic Optimization
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Genetic algorithms are a new approach to modeling based on the evolution theory in biology and use concepts such as population, descendant, parents, mutations, chromosomes, genes, etc.

Wikipedia: Genetic Drift
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Hyperlinked article about the mechanism of evolution that acts in concert with natural selection to change the characteristics of species over time.

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Activity designed to help students visualize evolution at a simple level and develop their intuition for the process of genetic drift.

Evolution 101: Genetic Drift
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One of the basic mechanisms of evolution, genetic drift affects the genetic makeup of a population through an entirely random process.

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Brief hyperlinked article about the founder effect, the loss of genetic variation when a new colony is formed by a very small number of individuals, an extreme example of genetic drift.

Small Population Size Effects: Genetic Drift
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Describes the phenomenon acting on small, reproductively isolated populations that can produce rapid changes in gene frequencies totally independent of mutation, recombination, and natural selection.

Random Variations to Biological Choice
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Philosophical speculations on physics and biology.

DRIFT
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Graphically represents the effect of genetic drift on gene frequency of one or more populations for a single locus, two allele model in a closed population using stochastic simulation methods. The DOS program is free.

United States

Held in Portland, Maine from March 29-April 1, 1998.

Genetic ID Inc.
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Offers GMO testing, non-gmo certification, and Japanese MAFF organic certification, PCR kits and consulting services in five continents. Includes company and product overview, contacts for support and ordering, global offices and headquarters in Fairfield, Iowa.