工人警务的演变
Evolution of worker policing
摘要：
在昆虫社会中，有时会观察到工蜂杀死其他工蜂的雄性卵，这种现象被称为工蜂警务。我们执行警务的演化动力学的数学分析。我们调查警察的显性和隐性突变不同数量的交配女王背后的选择力。传统的、基于亲缘关系的论点认为，如果女王与两个以上的男性交配，治安就会进化，但如果女王与一个男性交配，治安就不会进化。我们推导出警务等位基因的入侵和稳定的精确条件。我们发现，基于相关性的论点是不稳健的，在殖民地效率的小变化所造成的警务。我们还计算了进化奇异策略，并确定它们何时是进化稳定的。我们使用群体遗传学方法，适用于任何效应大小的显性或隐性突变。
英文摘要：
Workers in insect societies are sometimes observed to kill male eggs of other workers, a phenomenon known as worker policing. We perform a mathematical analysis of the evolutionary dynamics of policing. We investigate the selective forces behind policing for both dominant and recessive mutations for different numbers of matings of the queen. The traditional, relatedness-based argument suggests that policing evolves if the queen mates with more than two males, but does not evolve if the queen mates with a single male. We derive precise conditions for the invasion and stability of policing alleles. We find that the relatedness-based argument is not robust with respect to small changes in colony efficiency caused by policing. We also calculate evolutionarily singular strategies and determine when they are evolutionarily stable. We use a population genetics approach that applies to dominant or recessive mutations of any effect size.
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