Genetic drift

Genetic drift

Change in allele frequency due to random variations in fecundity and mortality in a population.

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Part of Speech: noun
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Industry/Domain: Zoology
Category: Zoological terms
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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 ...

phylum placozoa

Zoology; Zoological terms

Macroscopic, flattened marine animals, composed of ventral and dorsal epithelial layers enclosing loose mesenchyme-like cells.

phylum cnidaria

Zoology; Zoological terms

Cnidarians. Hydras, hydroids, jellyfish, sea anemones, and corals. Free-swimming or sessile, with tentacles surrounding the mouth. Specialized cells bearing stinging oraganoids ...

rudimentary

Zoology; Zoological terms

Involving or limited to basic principles; immature, undeveloped, or basic.

endocrine

Zoology; Zoological terms

Pertaining to ductless glands that produce hormones.

endoparasite

Zoology; Zoological terms

A parasite that lives within the tissues or bloodstream of its host.

endothermic

Zoology; Zoological terms

Able to maintain a constant, warm body temperature, regardless of external conditions.

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