nondisjunction

noun non·dis·junc·tion \ ˌnän-dis-ˈjəŋ(k)-shən \

Definition of nondisjunction

:failure of homologous chromosomes or sister chromatids to separate subsequent to metaphase in meiosis or mitosis so that one daughter cell has both and the other neither of the chromosomes

nondisjunctional

play \ˌnän-dis-ˈjəŋ(k)-shnəl, -shə-nᵊl\ adjective

Origin and Etymology of nondisjunction

International Scientific Vocabulary


Medical Dictionary

nondisjunction

noun non·dis·junc·tion \ ˌnän-dis-ˈjəŋ(k)-shən \

medical Definition of nondisjunction

:failure of homologous chromosomes or sister chromatids to separate subsequent to metaphase in meiosis or mitosis so that one daughter cell has both and the other neither of the chromosomes

nondisjunctional

play \-shnəl, -shən-ᵊl\ adjective

Learn More about nondisjunction


Seen and Heard

What made you want to look up nondisjunction? 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

pleasing or sweet sound

Get Word of the Day daily email!

Test Your Vocabulary

Forms of Government Quiz

  • knupfer-painting-solon-before-croesus
  • A gerontocracy is rule by:
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

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!