Word Pronunciation & Dictionary

haldane's rule

Word Rarity Very rare

Frequency: Zipf frequency 1.45 in modern English

Syllables: hal-dane's rule
IPA

16

Scrabble Score

12

Letters

2

Syllables

9

Unique Chars

Meaning

name

An observation about the early stage of speciation, stating that if in a species hybrid only one sex is inviable or sterile, that sex is more likely to be the heterogametic sex.

Example Sentences

"One study hints at the possibility that Haldane's rule may have been the cause of the lack of Neanderthal DNA on the Y-chromosome of hybrids, but currently we do not definitively know."

Etymology

Formulated in 1922 by the British evolutionary biologist J. B. S. Haldane.

Questions

What does haldane's rule mean?: An observation about the early stage of speciation, stating that if in a species hybrid only one sex is inviable or sterile, that sex is more likely to be the heterogametic sex.
Where does haldane's rule come from?: Formulated in 1922 by the British evolutionary biologist J. B. S. Haldane.

How to pronounce haldane's rule

Open the pronunciation page — Open the Speakur entry for “haldane's rule”.
Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “haldane's rule”.
Repeat and practice — Say “haldane's rule” aloud, matching stress and vowels until it feels natural.