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| concerned two related topics'group selection'
and 'kin selection'. The 'group selection' debate was sparked off by Wynne-Edwards [who suggested that behavioural adaptations] had 360 Extracts from reviews evolved by 'group selection' - i.e. through the survival of some groups and the extinction of others . At almost the same timeW.D. Hamilton raised another question about how natural selection acts. He pointed out that if a gene were to cause its possessor to sacrifice its life in order to save the lives of sev- eral relativesthere might be more copies of the gene present afterwards than if the sacrifice had not been made . To model the process quantitativelyHamilton introduced the concept of 'inclusive fit- ness' . which includesnot only an individual's own offspringbut any additional offspring raised by relatives with the help of that individualappropriately scaled by the degree of relationship Dawkinswhile acknowledging the debt we owe to Hamilton suggests that he erred in making a last-ditch attempt to retain the concept of fitnessand that he would have been wiser to adopt a full- blooded 'gene's eye' view of evolution. He urges us to recognise the fundamental distinction bet alma louis vuitton priceween 'replicayilai: nike high heels louis vuitton outlet http://www.foruminvestorindonesia.com/viewtopic.php?p=212774#212774 |
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