PERSPECTIVE: A CRITIQUE OF SEWALL WRIGHT'S SHIFTING BALANCE THEORY OF EVOLUTION
نویسندگان
چکیده
منابع مشابه
Reconstructing the Shifting Balance Theory in a GA: Taking Sewall Wright Seriously
We attempt to reconstruct Sewall Wright's Shifting Balance Theory in order to address some of the major criticisms leveled against it. The resulting abstract process is applied to the GA forming the Shifting Balance Genetic Algorithm (SBGA), which is shown to behave as Wright intended. For example, the SBGA avoids local optima through a shifting balance between subpopulations, as is demonstrate...
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The period between the 1940s and 1960s saw the hardening of the modern synthesis in evolutionary biology. Gould and Provine argue that Wright's shifting balance theory of evolution hardened during this period. But their account does not do justice to Wright, who always regarded selection as acting together with drift. This paper presents a more adequate account of the development of Wright's sh...
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After the rediscovery of Mendel’s work in 1900, bitter disputes erupted between the first geneticists and the biometricians who studied quantitative traits. How could the discrete genes of the geneticists explain the continuous variation observed by biometricians? And could natural selection shape variation in these genes? Eventually, the two camps came to understand that quantitative variation...
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تعارفات کنش های گفتاری هستند که افراد در زندگی روزمر? خود به منظور برقراری دوستی یا تداوم روابط مسالمت آمیز به کار می برند. ساز و کار تعارف مختص زبان انگلیسی یا هر زبان دیگری نیست و پدیده ای است جهانی و در همه زبانها حضور دارد. تفاوتی که از این نظر در زبانها و فرهنگ ها وجود دارد مربوط به پاسخ به این کنش گفتاری در گفتمان است. این مطالعه به بررسی تنوع پاسخ های انگلیسی و عربی به کنش گفتاری تعارف د...
Sewall Wright: A Life in Evolution
54 RESONANCE December 1999 Population genetics, the study of how the genetic composition of populations changes over time under the influence of mutation, migration and natural or artificial selection, is one of the few areas in biology that rests upon a thorough and rigorous theoretical foundation. This foundation is itself almost entirely the result of the intellectual labours of three people...
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ژورنال
عنوان ژورنال: Evolution
سال: 1997
ISSN: 0014-3820,1558-5646
DOI: 10.1111/j.1558-5646.1997.tb03650.x