A demographic approach to selection

Wyatt W. Anderson; Takao K. Watanabe

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A demographic approach to selection

机译：选择的人口统计方法

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The concepts of demography provide a means of combining the ecological approach to population growth with the genetical approach to natural selection. We have utilized the demographic theory of natural selection developed by Norton and Charlesworth to analyze life history schedules of births and deaths for populations of genotypes in Drosophila pseudoobscura. Our populations illustrate a stable genetic equilibrium, an unstable genetic equilibrium, and a case of no equilibrium. We have estimated population growth rates and Darwinian fitnesses of the genotypes and have explored the role of population growth in determining natural selection. The age-specific rates of births and deaths provide insights into components of selection. Both viability and fertility are important components in our populations.

机译：人口统计学的概念提供了一种将人口增长的生态方法与自然选择的遗传方法相结合的方法。我们利用诺顿和查尔斯沃思发展的自然选择人口统计学理论，分析了果蝇假单胞菌基因型人群的出生和死亡的生活史时间表。我们的种群说明了稳定的遗传平衡，不稳定的遗传平衡和没有平衡的情况。我们估计了人口增长率和基因型的达尔文适应性，并探讨了人口增长在确定自然选择中的作用。特定年龄段的出生和死亡比率提供了选择要素的见解。生存力和生育力都是我们人口的重要组成部分。

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《Proceedings of the National Academy of Sciences of the United States of America》 |1997年第15期|p.7742-7747|共6页
作者
Wyatt W. Anderson; Takao K. Watanabe;
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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类自然科学总论;
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A demographic approach to selection

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