Help Wordnik hunt for a million missing words by backing our Kickstarter!


from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The condition of a heterozygote having a phenotype that is more pronounced or better adapted than that of either homozygote.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The state of a gene wherein a heterozygote has a higher risk of disease than either of its homozygote parents.


Sorry, no etymologies found.



Log in or sign up to get involved in the conversation. It's quick and easy.