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A congener (from Latin roots meaning "born together" or "within the same race or kind") has several different meanings depending on the field in which it is used. Colloquially, it is used to mean a person or thing like another in character or action.
Biology In biology, congeners are organisms within the same genus. Congeners within the same geographical region can compete with one another so many adaptations can be observed that mitigate this pressure on populations Chemistry In chemistry, congeners are related chemicals, e.g., a derivative or an element in the same group of the periodic table Fermentation In the alcoholic beverage industry, congener refers to impurities produced during fermentation. Congeners are responsible for most of the taste, aroma and color of alcoholic beverages. It has been suggested that these substances also contribute to the symptoms of a hangover, although the more likely cause is ethanal. Genetics In genetics, congenic organisms are organisms with very similar genomes, except for a small fraction. For example, recombinant congenic mice strains are produced in laboratories as a tool to study genetic disease. | ||||||||
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