Haldane's law

noun Hal·dane's law \ˈhȯlˌdānz-\
variants: or

Haldane's rule


Definition of Haldane's law

  1. :  a principle in genetics: when in an interspecific cross one sex is absent, rare, or sterile in the offspring, that sex is heterogametic

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of haldane's law

after John B. S. Haldane, born 1892 Scottish geneticist

Seen and Heard

What made you want to look up Haldane's law? Please tell us where you read or heard it (including the quote, if possible).


to cast off or become cast off

Get Word of the Day daily email!