The Selfish Gene and The Evolution of Cooperation - Online.itp.ucsb ...

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Similar = “SMs likely to carry the same genes” Kinship Coefficient = (½) g , g = generation distance ◦ Identical twins: 1, Siblings: ½, parent/child : ½, Uncles/aunts ¼, first or second cousins: 1/8 or 1/16, Parental care is “kin altruism”. We should care as much for a baby sister/brother as a child. Is “Kin Selection” effectively “Group Selection”? Or is it all semantics?
Suppose I find 8 fruits each of value 6 But I can only eat three of them. ◦ Should I eat 3 and keep quiet (and maybe eat them later) ◦ Or should I eat two and give 2 each to : 1 Brother, 1 Cousin and one stranger (kinship 1/2, 1/8 and 0) Score if I eat three = 6 x 3 = 18 Score if I share=12x1+12x1/2+12x1/8=19 ½ SOMETIMES SHARING IS BETTER (has higher payoff) !
Page 1 and 2: Gyan Bhanot Rutgers University and
Page 3 and 4: Why are we selfish? Why do we co-o
Page 5 and 6: Nature is dominated by selfish indi
Page 7 and 8: Meerkats (Kalahari) Share Baby sitt
Page 9 and 10: Like successful New York gangsters,
Page 11 and 12: This does not mean our morality is,
Page 13 and 14: Angler fish and lure leaf mimic fro
Page 15 and 16: In a group of altruists, there is a
Page 17 and 18: Gene Survival ◦ Kinship recogniti
Page 19 and 20: PROTOTYPE OF A REPLICATOR
Page 21 and 22: Replicator containing cells became
Page 23 and 24: Highest priorities: Survival and Re
Page 25 and 26: “Consciousness” may have appear
Page 27 and 28: Communication = When SMs can influe
Page 29: Honey bee grubs have a disease call
Page 33 and 34: It is just a framework to organize
Page 35 and 36: Two prisoners are asked to confess
Page 37 and 38: ROSE COLIN A Don’t confess B Conf
Page 39 and 40: COLIN ROSE A Don’t confess B Conf
Page 41 and 42: • T > R > P > S (BB is Stable bec
Page 43 and 44: 1984, Robert Axelrod: 14 programs p
Page 45 and 46: Player 2 Hawk Dove Player 1 Hawk (-
Page 47 and 48: Player 2 Player 1 scores: Hawk Dove
Page 49 and 50: Player 1 Player 2 Hawk Dove Bully R
Page 51 and 52: 1941- 1958 - 1943 -

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