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Lecture 7
N/A
10
Biology
Undergraduate 4
07/17/2014

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Term
Transposable elements
Definition
Genetic sequences that are able to replicate and insert into any position in the genome. Major source of mutations
Term
Group selection examples
Definition
reduced reproductive output
male fighting
infanticide
Term
What type of selection are cheaters important for?
Definition
Individual selection
Term
altruism
Definition
cost to donor but benefit to recipient
Term
Game Theory: prisoner's dilemma
Definition
Each is put into a separate room for questioning
If both confess (cooperate), both will receive light punishments
If both blame the other (defect), both will receive harsh punishments
If one blames the other (defect) and other confesses (cooperate), one will not be punished and the other punished severely
Term
kin selection
Definition
cause alarm to help the community of organisms (ground squirrels screaming to alert others of predators)
Term
kin selection
Definition
cause alarm to help the community of organisms (ground squirrels screaming to alert others of predators)
Term
Hamilton's Rule
Definition
For an altruistic act to occur, cost to altruist must be offset by benefit to recipient
Term
Reciprocal altruism
Definition
Organism A helps B; B later helps A
Term
Cheater
Definition
individuals reduce reproductive output for the good of the group
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