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the claim

Haldane's rule states that when hybrid offspring of two species are absent, rare or sterile in only one sex, that sex is the heterogametic sex.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
7 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Haldane's rule states that when hybrid offspring of two species are absent, rare or sterile in only one sex, that sex is the heterogametic sex?

Yes. Multiple independent reference and peer-reviewed sources state Haldane's rule in essentially the claim's own terms: when only one sex of hybrid offspring is absent, rare or sterile, that sex is the heterogametic one.

Verdict: SUPPORTED · 7 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 7
Haldane's rule - Wikipedia
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Haldane's rule - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Haldane%27s_rule

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More for · 6
Haldane's rule in the 21st century.
2011
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M, S., MC, G., & LW, B. (2011). Haldane's rule in the 21st century.. doi.org. https://doi.org/10.1038/hdy.2010.170

What determines the sex of hybrid offspring?
2016
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What determines the sex of hybrid offspring?. (2016). biology.stackexchange.com. https://biology.stackexchange.com/questions/51720/what-determines-the-sex-of-hybrid-offspring

Haldane's rule has multiple genetic causes.
1993
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HA, O. (1993). Haldane's rule has multiple genetic causes.. doi.org. https://doi.org/10.1038/361532a0

Haldane's rule is extended to plants with sex chromosomes.
2010
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AN, B. & LF, D. (2010). Haldane's rule is extended to plants with sex chromosomes.. doi.org. https://doi.org/10.1111/j.1558-5646.2010.01095.x

The dominance theory of Haldane's rule.
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The dominance theory of Haldane's rule.. (n.d.). cir.nii.ac.jp. https://doi.org/10.1093/genetics/140.1.389

2 recorded entries grouped as this source

Additional records of the same source are shown below. They are not counted as additional sources.

The dominance theory of Haldane's rule.
1995
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M, T. & HA, O. (1995). The dominance theory of Haldane's rule.. doi.org. https://doi.org/10.1093/genetics/140.1.389

The genetic basis of Haldane's rule.
1985
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JA, C. (1985). The genetic basis of Haldane's rule.. doi.org. https://doi.org/10.1038/314736a0

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