Clines

Clines

Progressively changing zones of degree difference in frequency of a trait with movement from one region to another. The gradual decrease in frequency of the B blood allele going west in Europe is an example of such a gradation or clinal distribution. See discontinuous distribution.

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Part of Speech: noun
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Industry/Domain: Anthropology
Category: Physical anthropology
Company: Palomar College
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Related terms

cline

Natural environment; Coral reefs

The gradual variation, in a character of a species, in geographical space.

cline

Archaeology; Evolution

A geographic gradient in the frequency of a gene, or in the average value of a character.

clines

Anthropology; Physical anthropology

Progressively changing zones of degree difference in frequency of a trait with movement from one region to another. The gradual decrease in frequency of the B blood allele going ...

cline

Anthropology; Cultural anthropology

A gradual shift in gene frequencies between neighboring populations.

cline

Biology; Ecology

A gradient of variations in a species that stretches across a geographical location. Example: different types of eucalyptus trees running across a series of slopes.

cline

Garden; Gardening

A gradual morphological or physiological change in a group of related organisms across their range, usually correlated to environmental or geographic transition.

malnourishment

Anthropology; Physical anthropology

An inadequacy or an excess of some key element(s) in the diet, such as proteins, fats, or specific minerals and vitamins. See undernourishment and overnourishment.

cataract

Anthropology; Physical anthropology

An impairment of vision caused by the lenses of the eyes becoming cloudy. Cataracts are common in elderly people. They may be inherited or caused by diabetes and environmental ...

oöcyte

Anthropology; Physical anthropology

An immature female sex cell. These egg precursor cells, or primary oöcytes, are produced before birth. They become secondary oöcytes usually one by one after puberty when hormones ...

chronic disease

Anthropology; Physical anthropology

An illness that lasts for a long period of time or indefinitely. In contrast, an acute disease is one with a rapid onset and a short but usually severe course.

microcephaly

Anthropology; Physical anthropology

An extremely rare genetically inherited condition in which babies are born with extremely small brains and heads. This fatal condition has been found only among the children of 23 ...

oxidizable carbon ratio (OCR) dating

Anthropology; Physical anthropology

An experimental dating technique based on the fact that organic carbon in soil humus and charcoal progressively convert to oxidizable carbon over time. The ratios of these two ...