Extraordinary Sex Ratios
E634420
"Extraordinary Sex Ratios" is a seminal work by evolutionary biologist W. D. Hamilton that develops and analyzes theoretical explanations for skewed sex ratios in natural populations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Extraordinary Sex Ratios canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6995388 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Extraordinary Sex Ratios Context triple: [William D. Hamilton, notableWork, Extraordinary Sex Ratios]
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A.
Sex, Evolution, and Behavior
Sex, Evolution, and Behavior is an influential book that applies evolutionary biology and behavioral ecology to explain patterns of sexual behavior and reproductive strategies in humans and other animals.
-
B.
Sex Is Law
"Sex Is Law" is a hip-hop album by French rapper Father MC, showcasing his blend of smooth delivery and early-1990s rap production.
-
C.
Three Essays on the Theory of Sexuality
Three Essays on the Theory of Sexuality is Sigmund Freud’s foundational 1905 work that outlines his psychoanalytic theories of psychosexual development, infantile sexuality, and the structure of sexual drives.
-
D.
Sex and Temperament
Sex and Temperament is a landmark 1935 anthropological work by Margaret Mead that examines gender roles and personality in three New Guinea societies to challenge Western assumptions about sex and gender.
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E.
Androgeneia
Androgeneia is a minor figure in Greek mythology known primarily as a daughter of King Minos of Crete and sister of the hero Androgeus.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Extraordinary Sex Ratios Target entity description: "Extraordinary Sex Ratios" is a seminal work by evolutionary biologist W. D. Hamilton that develops and analyzes theoretical explanations for skewed sex ratios in natural populations.
-
A.
Sex, Evolution, and Behavior
Sex, Evolution, and Behavior is an influential book that applies evolutionary biology and behavioral ecology to explain patterns of sexual behavior and reproductive strategies in humans and other animals.
-
B.
Sex Is Law
"Sex Is Law" is a hip-hop album by French rapper Father MC, showcasing his blend of smooth delivery and early-1990s rap production.
-
C.
Three Essays on the Theory of Sexuality
Three Essays on the Theory of Sexuality is Sigmund Freud’s foundational 1905 work that outlines his psychoanalytic theories of psychosexual development, infantile sexuality, and the structure of sexual drives.
-
D.
Sex and Temperament
Sex and Temperament is a landmark 1935 anthropological work by Margaret Mead that examines gender roles and personality in three New Guinea societies to challenge Western assumptions about sex and gender.
-
E.
Androgeneia
Androgeneia is a minor figure in Greek mythology known primarily as a daughter of King Minos of Crete and sister of the hero Androgeus.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
scholarly work
ⓘ
scientific article ⓘ |
| aimsTo | explain observed deviations from 1:1 sex ratios in nature ⓘ |
| analyzes |
conditions leading to female-biased sex ratios
ⓘ
conditions leading to male-biased sex ratios ⓘ sex ratio under local mate competition ⓘ sex ratio under varying population structure ⓘ |
| author |
W. D. Hamilton
NERFINISHED
ⓘ
William Donald Hamilton NERFINISHED ⓘ |
| basedOn |
Darwinian natural selection
ⓘ
Fisherian sex ratio theory NERFINISHED ⓘ |
| citedAs | classic in sex ratio literature ⓘ |
| contributorTo |
evolutionary theory of social behavior
ⓘ
modern sex allocation theory ⓘ |
| describedAs |
foundational paper on sex ratio evolution
ⓘ
seminal work in evolutionary biology ⓘ |
| develops |
game-theoretic approaches to sex allocation
ⓘ
mathematical models of sex ratio evolution ⓘ |
| extends |
Fisher’s principle
NERFINISHED
ⓘ
earlier models of sex ratio ⓘ |
| field |
behavioral ecology
ⓘ
evolutionary biology ⓘ population genetics ⓘ |
| focusesOn |
evolutionarily stable strategies
ⓘ
frequency-dependent selection on sex ratio ⓘ inbreeding and sex ratio ⓘ kin selection and sex ratio ⓘ local mate competition ⓘ theoretical explanations for biased sex ratios ⓘ |
| genre | theoretical biology paper ⓘ |
| hasConcept |
evolutionarily stable sex ratio
ⓘ
inclusive fitness and sex allocation ⓘ structured populations and mating systems ⓘ |
| hasInfluenced |
empirical tests of sex allocation models
ⓘ
evolutionary ecology textbooks ⓘ models of sex ratio in structured populations ⓘ research on fig wasps sex ratios ⓘ research on parasitoid wasps sex ratios ⓘ theoretical work on local resource competition ⓘ |
| language | English ⓘ |
| mainTopic |
evolution of sex allocation
ⓘ
natural selection ⓘ sex ratio theory ⓘ skewed sex ratios ⓘ |
| partOf | W. D. Hamilton’s body of work on social evolution ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Extraordinary Sex Ratios Description of subject: "Extraordinary Sex Ratios" is a seminal work by evolutionary biologist W. D. Hamilton that develops and analyzes theoretical explanations for skewed sex ratios in natural populations.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.