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Words, grammatical forms and meanings linked to the ontology.

Haldane's rule en · PROPN

Etymology

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

Meanings

  1. 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.
    • 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. 2018, Tim Flannery, Europe: The First 100 Million Years, Penguin, published 2019, page 181: