hamilton rule - An example from the notes describes that a...

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"Hamilton's rule states that in order for kin selection to occur, the altruists must have a net benefit when Br is greater than C." In other words, Hamilton's rule deals with kin selection, which refers to the passage of traits in relatives, and altruism, which is the benefits a member would receive if he/she gave up what she had for help/protect another member. Hamilton's rule is seen in any animal groups/herds but humans seem to diverge from this norm. Humans do not live in large social groups because altruism is not worth what they have to give up. Most humans care only about themselves and their intermediate family. Hamilton's rule suggest that the benefit of helping must outweigh the relatedness. Large groups rely on each other for protection and sacrifice themselves for the groups survival.
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Unformatted text preview: An example from the notes describes that a man would give up his two children to help his brother if his brother had atleast 5 children. His children are more closely related to him by having his genes than his brother. His brother would have to have five children to counteract him losing two. Altruism is not a big thing for humans because helping raise your brother's children is not worth losing two of your own children. Humans are selfish in the fact that we focus on how it will affect us and what we will receive for helping and mostly it's just not worth it to us. Humans are more into making their own families then helping others. (http://www.scientificblogging.com/gadfly/hamiltons_rule_or_hamiltons _folly)...
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