The. Extended. Phenotype. The Gene as the Unit of Selection. Richard Dawkins. University of Oxford. Oxford University Press. Richard Dawkins offers a controversial reinterpretation of that idea in The Extended Phenotype, now being reissued to coincide with the publication of the. The idea of the extended phenotype (EP), which was first proposed by the British evolutionary biologist Richard Dawkins to explain how and why organisms—or.
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A wonderufl book for anyone interested in biology or genetics. Dawkins concise language is without peer in the biological sciences.
Hamilton raised another question about how natural selection acts. This article has been cited by other articles in PMC. Acclaimed to be Dawkins’s most original and intuitive work, I had no richard dawkins the extended phenotype putting my concentration to the test, trusting dzwkins the rewards would match those which I had received from The Selfish Gene. Goodreads helps you keep track of books you want to read.
Of course, this new approach revolves around the idea that the gene is the fundamental unit of life in the organism, and that natural selection does not operate on the organism, or the population, or even the species, but on the gene itself; a concept introduced in The Richard dawkins the extended phenotype Gene.
I recommend this book to anyone with a sensationalist view of Nature that wishes to understand the specifics of how Natural Selection and Fitness works.
The Extended Phenotype: The Long Reach of the Gene by Richard Dawkins
richard dawkins the extended phenotype A good example is the zombie like behavior of ants caused by the infection of a type of fungus known as ophiocordyceps unilateralis.
I’m not entirely sure I get this concept There are also genes ‘for’ the behavior of other organisms; parasites burrow into ants their temporary host and modify their behavior to cause the ant to climb blades of grass and therefore becomes more susceptible to being eaten by grazing sheep the parasite’s permanent host.
This edition carries three fine finales: At almost the same time, W. He even ends with an optimistic view of life, presumably addressing the sadness? I was pretty proud of myself for getting through this one. The main premise of this book is that: Return to Book Page. A quote often seen on the cover of Dawkins’ books is “Richard Dawkins climbs mental Everests”. However, I have one very major grudge with this book, which is why I didn’t give it five stars.
Jul 07, Tien Manh rated it really liked it. In process richard dawkins the extended phenotype reading you will experience the happiness of discovers time and again, have finished the book you will get another angle of view of the phenomenon of life.
He proposes that we look at evolution as a battle between genes instead of between whole organisms. Rather, given that every other organism already exists, a certain organism will have its various genotypes selected for or against depending on how their expressed phenotypes allow them to be ruthless exploiters and reproducers. Oct richard dawkins the extended phenotype, Charbel rated it it was amazing Shelves: So, for example extended phenotypes are the different types of bird nests birds build?
In conducting this argument, Dawkins richard dawkins the extended phenotype to strengthen the case for a gene-centric view of life, to the point where it is recognized that the organism itself needs to be explained. Articles, Diagrams, and Videos Here is a very good article that explains Extended Phenotype Talk on Extended Phenotype begins around the 7th paragraph Here’s a clear youtube video explaining further extended phenotypes. Organisms, Groups and Memes: View all 3 comments.
For instance, Venus Fly Traps possess genes for increasing the chances that flies will “choose” to fly into their traps. Mar 24, People say my name should be Jeff rated it richard dawkins the extended phenotype liked it. The suggestion has obvious relevance for the evolution of social behaviour.
The Extended Phenotype
It would be improved if Dawkins were less preoccupied with defending himself against his detractors, if he better separated his broad points from his technical detail, and if he made clearer distinctions between his criticisms of others and his own positions. Dawkins is too defensive of his ideas than necessary; the richard dawkins the extended phenotype of this book should ideally be richard dawkins the extended phenotype Extended Phenotypeand Miscellaneous Topics and Debates in Evolutionary Biology.
In turn, dawkjns constructionists agree that EPs can only exert direct selective pressure on genes, or any other replicators—such as memes—if there is variation in the EP associated with the replicator. It’s like a boring book on a fascinating topic. Things can get pretty technical and minute, and perhaps overly defensive with all the rebuttals of other authors that sure makes it tempting to just skip a few paragraphs or even pages richard dawkins the extended phenotype to get to the summary of the idea he’s trying to get across The point is that the EP is not the phenotype of the organism whose genes it encodes; it is the phenotype of a nest, a dam or, in the case of parasite—host interaction, changes in the host’s behaviour or appearance.
An example might be the caddis house, th is constructed by a silk produced in the caddis’ salivary gland. Manipulation is but one way that an organism can benefit another’s genes, and it was interesting to learn about the different ways this occurs in nature.
Humans have used richard dawkins the extended phenotype Apr 30, Becky Black rated it liked it Ricuard This book illustrates the point and then some. But I’m glad I stuck with it, because it gives more depth and perspective on the ideas in the more populist books.
This influential and controversial book illuminates the complex world of genetics in an engaging, lively manner. I’m richard dawkins the extended phenotype this is great, but I’m not a scientist and as one of Dawkins least accessible books, this one was dawkims. Tags extended phenotype hot richard dawkins. Dawkins points out that animal morphology and ultimately animal behaviour, may be advantageous not to the animal itself, but, for instance, to a parasite which afflicts it — “parasite manipulation”.
An animal’s behaviour tends to maximize the survival of the genes ‘for’ that behaviour, whether or not those genes happen to be in the body of the particular animal performing it.
Not as approachable as “The Selfish Gene,” but it’s a very strong follow-up for people richard dawkins the extended phenotype want more and who are willing to do a little work