Fisher–Wright controversy
E765770
The Fisher–Wright controversy was a foundational debate in population genetics between R.A. Fisher and Sewall Wright over the relative importance of natural selection, genetic drift, and population structure in evolution.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fisher–Wright controversy canonical | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
debate in population genetics
ⓘ
scientific controversy ⓘ |
| about |
deterministic versus stochastic processes in evolution
ⓘ
mathematical models of gene frequency change ⓘ mechanisms of evolutionary change ⓘ relative importance of natural selection and genetic drift ⓘ role of population structure in evolution ⓘ |
| characterizedBy |
contrasting views on optimal population structure for adaptation
ⓘ
contrasting views on role of chance in evolution ⓘ disagreements over interpretation of mathematical models ⓘ long-running exchange in scientific literature ⓘ |
| contributedTo | modern evolutionary synthesis NERFINISHED ⓘ |
| documentedIn |
historical analyses of population genetics
ⓘ
scientific papers by Ronald A. Fisher ⓘ scientific papers by Sewall Wright ⓘ |
| endTime | 1950s ⓘ |
| field | population genetics ⓘ |
| hasPart |
debate over adaptive landscapes
ⓘ
debate over genetic drift ⓘ debate over large versus small population size in evolution ⓘ debate over natural selection ⓘ debate over panmixia versus population subdivision ⓘ debate over population structure ⓘ debate over role of random sampling in evolution ⓘ debate over shifting balance theory ⓘ |
| historicalContext |
development of mathematical population genetics in early 20th century
ⓘ
formation of the modern synthesis of evolutionary theory ⓘ |
| impact |
clarified distinction between selection and drift
ⓘ
shaped later debates on neutral theory of molecular evolution ⓘ stimulated development of new population genetic models ⓘ |
| influenced |
concept of effective population size
ⓘ
development of adaptive landscape metaphor ⓘ evolutionary biology ⓘ interpretation of genetic drift ⓘ theoretical population genetics ⓘ |
| mainParticipants |
Ronald Aylmer Fisher
NERFINISHED
ⓘ
Sewall Wright NERFINISHED ⓘ |
| positionOfRonaldFisher |
downplayed long-term importance of genetic drift
ⓘ
emphasized large, panmictic populations ⓘ emphasized natural selection as primary evolutionary force ⓘ |
| positionOfSewallWright |
emphasized importance of genetic drift
ⓘ
emphasized population subdivision and structure ⓘ proposed shifting balance theory of evolution ⓘ |
| relatedConcept |
adaptive landscape
ⓘ
genetic drift ⓘ natural selection ⓘ population structure ⓘ shifting balance theory ⓘ |
| startTime | 1920s ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.