efekat uskog grla

efekat uskog grla

Značajno smanjenje genetičke raznovrsnosti populacije ili vrste usled ekološke krize koja uništi većinu pripadnika dotične populacije ili vrste. Ograničena genetička raznovrsnost nekolicine preživelih predstavlja osnovu za sve buduće generacije. Ovo je jedan od manjih efekata koji se tiču veličine populacije.

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Vārdšķira: noun
Sinonīms(-i): genetic bottlenecking_₀
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Nozare/domēns: Anthropology
Category: Physical anthropology
Company: Palomar College
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centromera

Anthropology; Physical anthropology

Suženje u hromozomu gde se spajaju dva ili više hromatida.

thalassemia

Anthropology; Physical anthropology

Grupa genetički nasleđenih oblika anemije prouzrokovane proizvodnjom krhkih molekula hemoglobina koje su podložne uništavanju. Thalassemia se najprisutnija na Mediteranu i u ...

ugljeni hidrat

Anthropology; Physical anthropology

A class of organic molecules that include sugars and starches.

glečerski

Anthropology; Physical anthropology

A long period of time during which earth's climate cools, causing glaciers to expand out from the poles and mountains covering vast areas. The glacials of the Pleistocene Epoch ...

osteoporoza

Anthropology; Physical anthropology

A bone disorder in which there is a progressive reduction in bone density resulting in brittleness and increased porosity. People with osteoporosis are at a high risk for bone ...

melanin

Anthropology; Physical anthropology

A dark colored organic pigment produced in the skin. There are two forms of melanin----pheomelanin, which is red to yellow in color, and eumelanin, which is dark brown to black. ...

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Nozare/domēns: Arts & crafts Category: Oil painting

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Bosch's most famous and unconventional picture, The Garden of Earthly Delights was painted between 1490 and 1510. The oil painting is on three panels, ...