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Genetic drift

Changes in allele frequencies that can be ascribed to random effects.

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  • Category: Marine biology
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Related terms

genetic drift
Natural environment; Coral reefs

Random changes in the frequency of alleles in a population. In small populations, it can lead to the elimination of a particular allele by chance alone. It is thought to be one ...

genetic drift
Archaeology; Evolution

Changes in the frequencies of alleles in a population that occur by chance, rather than because of natural selection.

genetic drift
Biology; Cell biology

Random changes in the frequency of alleles from generation to generation; especially in small populations, can lead to the elimination of a particular allele by chance alone.

genetic drift
Biology; Marine biology

Changes in allele frequencies that can be ascribed to random effects.

genetic drift
Biotechnology; Genetic engineering

Change in allele frequency from one generation to another within a population, due to the sampling of finite numbers of genes that is inevitable in all real (finite) populations. ...

genetic drift
Anthropology; Physical anthropology

Evolution, or change in gene pool frequencies, resulting from random chance. Genetic drift occurs most rapidly in small populations. In large populations, random deviations in ...

macroplankton
Biology; Marine biology

Planktonic organisms that are 200-2,000 micrometers in size.

nanoplankton
Biology; Marine biology

Planktonic organisms that are 2-20 micometers in size.

megaplankton
Biology; Marine biology

Planktonic organisms that are greater than or equal to 2000 micrometers in size.

mixoplankton
Biology; Marine biology

Planktonic organisms that can be classified at several trophic levels. For example, some ciliates can be photosynthetic but also can ingest other plankton and are heterotrophic.

logistic population growth
Biology; Marine biology

Population growth that is modulated by the population size relative to carrying capacity. Population growth declines as population approaches carrying capacity, and is negative ...

global warming
Biology; Marine biology

Predicted increase in the earth's oceanic and atmospheric temperature, owing to additions of carbon dioxide to the atmosphere, as a result of human activities.

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