Haldane’s rule

E194834

Haldane’s rule is a principle in evolutionary biology stating that when in the offspring of two different animal species or subspecies one sex is absent, rare, or sterile, that sex is usually the heterogametic one (e.g., XY or ZW).

All labels observed (2)

Label Occurrences
Haldane's rule 1
Haldane’s rule canonical 1

How this entity was disambiguated

Statements (44)

Predicate Object
instanceOf evolutionary biology principle ⓘ
rule in speciation genetics ⓘ
appliesTo animals with genetic sex determination ⓘ
hybrids between species ⓘ
hybrids between subspecies ⓘ
appliesWhen one hybrid sex is absent ⓘ
one hybrid sex is rare ⓘ
one hybrid sex is sterile ⓘ
concerns hybrid inviability ⓘ
hybrid sterility ⓘ
sex-specific hybrid dysfunction ⓘ
exceptionCases taxa with environmental sex determination ⓘ
taxa without differentiated sex chromosomes ⓘ
explainedBy dominance theory of hybrid incompatibilities ⓘ
faster-X theory ⓘ
faster-male theory ⓘ
field evolutionary biology ⓘ
hybridization studies ⓘ
speciation research ⓘ
heterogameticSexExamples XY males in mammals and Drosophila ⓘ
ZW females in birds and butterflies ⓘ
involves heterogametic sex ⓘ
homogametic sex ⓘ
sex-linked genetic incompatibilities ⓘ
namedAfter J. B. S. Haldane ⓘ
originallyFormulatedBy J. B. S. Haldane ⓘ
originalPublicationContext paper on hybrid sterility in the journal Journal of Genetics ⓘ
originalPublicationYear 1922 ⓘ
patternType empirical generalization ⓘ
predicts greater hybrid inviability in the heterogametic sex ⓘ
greater hybrid sterility in the heterogametic sex ⓘ
relatedConcept Dobzhansky–Muller incompatibilities ⓘ
postzygotic reproductive isolation ⓘ
sex chromosomes ⓘ
speciation genetics ⓘ
states the heterogametic sex is more likely to be absent, rare, or sterile in hybrids ⓘ
status widely accepted empirical rule in evolutionary biology ⓘ
supportedBy data from Drosophila hybrids ⓘ
data from Lepidoptera hybrids ⓘ
data from avian hybrids ⓘ
data from mammalian hybrids ⓘ
usedIn comparative analyses of reproductive isolation ⓘ
interpretation of hybrid zone patterns ⓘ
tests of speciation models ⓘ

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

J. B. S. Haldane → notableFor → Haldane’s rule ⓘ
Dobzhansky–Muller incompatibilities → relatedTo → Haldane's rule ⓘ
linked to: Haldane’s rule