overdominance

noun
over·​dom·​i·​nance | \ ˌō-vər-ˈdä-mə-nən(t)s How to pronounce overdominance (audio) , -ˈdäm-nən(t)s \

Definition of overdominance

: the condition wherein a heterozygote produces a phenotype more extreme or better adapted than that of the homozygote

Other Words from overdominance

overdominant \ ˌō-​vər-​ˈdä-​mə-​nənt How to pronounce overdominant (audio) , -​ˈdäm-​nənt \ adjective

First Known Use of overdominance

1946, in the meaning defined above

Keep scrolling for more

Learn More about overdominance

Time Traveler for overdominance

Time Traveler

The first known use of overdominance was in 1946

See more words from the same year

Statistics for overdominance

Cite this Entry

“Overdominance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overdominance. Accessed 27 Nov. 2020.

Keep scrolling for more

More Definitions for overdominance

overdominance

noun
over·​dom·​i·​nance | \ -ˈdäm(-ə)-nən(t)s How to pronounce overdominance (audio) \

Medical Definition of overdominance

: the property of having a heterozygote that produces a phenotype more extreme or better adapted than that of the homozygote

Other Words from overdominance

overdominant \ -​nənt How to pronounce overdominant (audio) \ adjective

More from Merriam-Webster on overdominance

Britannica.com: Encyclopedia article about overdominance

Comments on overdominance

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

WORD OF THE DAY

Test Your Vocabulary

A Thanksgiving Word Quiz

  • a traditional thanksgiving dinner
  • November comes from a word for which of the following numbers?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!