多金斯是否撤回了他反对群体选择的自私基因论点?
1UGent, Philosophy and Moral Sciences, Gent, Blandijnberg 2, Belgium. kbt.ugent@ gmail.com.
Theoretical biology forum
|August 28, 2023
概括
威尔逊和理查德·道金斯之间的群体选择辩论源于对自私基因理论的误解. 分析揭示了道金斯的存在.
科学领域:
- 进化生物学 进化生物学
- 行为生态学 行为生态学
- 科学哲学的哲学科学哲学
背景情况:
- 大卫·威尔逊 (David S. Wilson),爱德华·奥·威尔逊 (Edward O. Wilson) 和理查德·道金斯 (Richard Dawkins) 之间就群体选择和自私基因理论的解释发生了争议.
- 威尔逊最初声称道金斯承认他的理论并不排除群体选择,但道金斯否认了这一点.
- 这次交流导致了进一步的澄清和反驳,突出了辩论的复杂性.
研究的目的:
- 分析组选争端的历史背景和潜在的误解.
- 为了解开双方提出的复杂论证.
- 为了澄清有关理论和功能组选择的主张的有效性.
主要方法:
- 科学文献的历史分析和有关各方之间的通信.
- 密切阅读和解释关键出版物,包括"自私基因"和随后的回复.
- 检查道金斯在复制者 (基因) 和载体 (体) 之间的区别.
主要成果:
- 威尔逊对道金斯论点的最初解释被发现是不正确的.
- 理论群体选择 (群体作为选择单位) 和功能群体选择 (群体选择在进化中的作用) 之间进行了区分.
- 达金斯的工作意味着群体可以是选择的单位 (载体),支持理论上的群体选择,尽管他从未明确承认这一点.
结论:
- 许多争议的根源在于对自私基因理论和群组选择概念的误解.
- 达金斯后来对复制者和载体的区别隐含地承认群体是潜在的选择单位.
- 达金斯的最终否认具体涉及功能性群体选择,而不是理论上的群体选择.
相关概念视频
00:57Inclusive Fitness
Most altruistic behavior—in which one animal helps another at a cost to themselves—occurs between relatives. Scientists think these altruistic behaviors evolved because they increase the inclusive fitness of the animal providing help.
02:16Genetics of Speciation
Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.The genetics of speciation involves the different traits or isolating mechanisms preventing gene exchange, leading to reproductive isolation. Reproductive isolation can be due to reproductive barriers that have effects either before or after the formation of a zygote. Pre-zygotic mechanisms prevent fertilization from occurring, and post-zygotic mechanisms...
02:39Gene Flow
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
01:20Evolutionary Psychology
Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the human psyche...
01:23Criticisms of the Evolutionary Perspective
In a study where individuals posing as strangers offered compliments and proposed casual sex to students, the responses differed significantly based on gender. Not a single woman accepted the proposal, while 70% of the men agreed. This outcome provides a useful scenario to explore through the lens of evolutionary psychology and social learning theory, highlighting the diverse perspectives on human sexual behaviors.
Evolutionary psychology provides one explanation for these findings, suggesting...
Evolutionary psychology provides one explanation for these findings, suggesting...
01:24Evolution of New Traits in Microbes
Microorganisms evolve rapidly due to their large population sizes and short generation times, often exhibiting measurable changes within days under laboratory conditions. Natural selection acts on standing genetic variation, enabling the retention and amplification of beneficial traits that confer fitness advantages in changing environments.Adaptive Pigment Regulation in RhodobacterIn Rhodobacter, a genus of purple non-sulfur bacteria, light-harvesting pigments such as bacteriochlorophyll and...