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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Dad's genes build placentas, study shows

Though placentas support the fetus and mother, it turns out that the organ grows according to blueprints from dad, says new Cornell research. The study, published in the Proceedings of the National Academy of Sciences in ...

dateAug 12, 2013 in Biotechnology
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