News tagged with natural selection

Hybrid plants with over-reactive immune system

(PhysOrg.com) -- Individuals from the same species can often be crossed without any trouble. However, genes also have their preferences, and some gene variants are not compatible with those found in other ...

Nov 17, 2010
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Marriage patterns drive fertility decline

Researchers at the University of Sheffield have applied an evolutionary 'use it or lose it' principle when studying past marriage patterns, to show that marriage can influence the evolution of age-patterns ...

Jul 21, 2010
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What causes hybrid vigor?

Plant scientists at the John Innes Centre have provided a new solution to an old debate on why species hybrids can be more vigourous than their parents. In a study to be published online next week in the online open access ...

Jul 20, 2010
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