overdominance

noun over·dom·i·nance \ ˌō-vər-ˈdä-mə-nən(t)s , -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

overdominant

play \ˌō-vər-ˈdä-mə-nənt, -ˈdäm-nənt\ adjective

First Known Use of overdominance

1946

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

overdominance

noun over·dom·i·nance \ -ˈdäm(-ə)-nən(t)s \

medical Definition of overdominance

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

overdominant

play \-nənt\ adjective

Learn More about overdominance


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

a large number

Get Word of the Day daily email!

Test Your Vocabulary

Odd Habits and Quirks Quiz

  • image1926873504
  • Which of the following best describes an easily irritated person?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

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!