Price equation
E765764
The Price equation is a mathematical formulation in evolutionary biology that partitions changes in a trait’s average value into components due to natural selection and transmission effects across generations.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
evolutionary biology concept
ⓘ
mathematical equation ⓘ |
| appliesTo |
allele frequencies
ⓘ
any system with entities that reproduce and transmit properties ⓘ cultural traits ⓘ genetic traits ⓘ phenotypic traits ⓘ |
| assumes |
entities have fitness values and trait values
ⓘ
reproduction with possible change in trait values ⓘ |
| canBeExtendedTo |
frequency-dependent selection
ⓘ
multilevel selection models ⓘ non-genetic inheritance ⓘ stochastic evolutionary processes ⓘ |
| captures | statistical relationship between fitness and trait values ⓘ |
| criticizedFor |
being an identity rather than a predictive model
ⓘ
limited intuitive biological interpretation in some forms ⓘ |
| describes | change in average trait value between generations ⓘ |
| expresses | change in mean character value as covariance between fitness and trait plus expectation of within-lineage change ⓘ |
| field |
evolutionary biology
ⓘ
population genetics ⓘ theoretical biology ⓘ |
| formulatedBy | George R. Price NERFINISHED ⓘ |
| generalizes | selection differential ⓘ |
| includesComponent |
covariance term
ⓘ
expectation term ⓘ natural selection term ⓘ transmission bias term ⓘ |
| influenced |
development of modern kin selection theory
ⓘ
formal treatments of group selection ⓘ |
| mathematicalForm | Δz̄ = Cov(wᵢ, zᵢ)/w̄ + E(wᵢΔzᵢ)/w̄ ⓘ |
| namedAfter | George R. Price NERFINISHED ⓘ |
| partitions | evolutionary change into selection and transmission components ⓘ |
| publicationDecade | 1970s ⓘ |
| relatedTo |
Fisher’s fundamental theorem of natural selection
NERFINISHED
ⓘ
Robertson–Price identity NERFINISHED ⓘ covariance selection mathematics ⓘ replicator equation NERFINISHED ⓘ |
| usedFor |
analyzing evolutionary change in structured populations
ⓘ
analyzing group selection ⓘ analyzing kin selection ⓘ analyzing multilevel selection ⓘ analyzing natural selection ⓘ decomposing evolutionary dynamics ⓘ studying cultural evolution ⓘ studying evolutionary game theory ⓘ studying gene–culture coevolution ⓘ studying inclusive fitness ⓘ studying selection on correlated traits ⓘ |
Referenced by (1)
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