News tagged with polymorphism

Research resolves old polymorphism puzzle

The coexistence within species of two or more different forms has puzzled biologists for more than a century. According to evolutionary theory, natural selection should remove inferior individuals from the population, and ...

dateMar 11, 2016 in Plants & Animals
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Turning a vole into a mighty rodent

Take a wild, common forest-dwelling mouse-like rodent, known as a vole, and subject it to 13 rounds of selection for increased aerobic exercise metabolism, and what do you get? A mighty "mouse" with a 48 percent higher peak ...

dateMar 05, 2015 in Evolution
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Being sheepish about climate adaptation

For thousands of years, man has domesticated animals, selecting the best traits possible for survival. Now, livestock such as sheep offer an intriguing animal to examine adaptation to climate change, with a genetic legacy ...

dateSep 23, 2014 in Biotechnology
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