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gen

A chunk of DNA that allows organisms to pass on adaptations and acquired features by making a protein through codon sequences. DNA duplication errors often create new genes. Gregor Mendel discovered genes and wrote about them--he called them "factors"--in 1865, but his work was ignored for 45 years. See DNA.

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Category: Ecology
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recesivni gen

Biology; Genome

A gene which will be expressed only if there are 2 identical copies or, for a male, if one copy is present on the X chromosome..

ispoljeni gen

Biology; Genome

See: gene expression.

fenotip

Biology; Ecology

The outward, bodily manifestation of the genotype (genetic constitution). Phenotypes are the aspect visible to natural selection: echo location makes some dolphins more viable, so ...

ekopsihologija

Biology; Ecology

A relatively new discipline operating on an ancient assumption: the deepest levels of the psyche are tied to the Earth (unlike environmental psychology, which looks in linear ...

zakoni ekodinamike

Biology; Ecology

Formulated by philosopher Edward Goldsmith as corrections to the reductive laws of thermodynamics. The Laws postulate that living things seek to preserve their structure, grow ...

gljive

Biology; Ecology

Saprophytic (decay-fed), spore-making plants without chlorophyll: rusts, molds, smuts, mildews, mushrooms, and yeasts. Their long hyphae filaments aerate and bind soils, aid water ...

poljoprivredna zagađenja

Biology; Ecology

Pesticides, fertilizers, wastes, erosion dust, runoff from fields, and animal infections are a few of the varieties. According to the Environmental Protection Agency, half the ...

klima

Biology; Ecology

Average atmospheric conditions over a long time interval. Energy from the sun drives climate, which sets limits on a biome's plant life and therefore on the animals that live ...