Most traits we care about will be influenced by not one or a few but hundreds of genes.

大多数我们所关心的性格并不仅仅受一个几个却是上百个基因的影响。

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Optimism and pessimism are personality traits that condition people's reaction to uncertainty, but they are also influenced by uncertainty.

乐观和悲观都是人的个性，它会影响人们对不确定性的反应，但也会受到不确定性的影响。

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Polygenic inheritance - a continuous, rather than discrete, set of traits that are influenced by many genes.

多基因遗传-一个持续的，而不是离散的，一套性状是受许多基因。

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It is similar to the term phenotype which is the observable traits of an organism - influenced by its genome and the environment.

BBC: Legacy for anti-doping centre

Like many traits of behavior and temperament, ADD is genetically influenced, but not genetically determined.

NPR: Excerpt: 'Delivered from Distraction'

Darwin's observation that species evolve over the course of generations through the natural selection of favourable traits has become a central pillar of biological thinking and has influenced many other fields of scientific endeavour.

BBC: NEWS | Science/Nature | Darwin 'was committed to publish'