crossing–over

play
noun cross·ing–over \ˌkrȯ-siŋ-ˈō-vər\

Definition of crossing–over

  1. :  an interchange of genes or segments between homologous chromosomes

1912

First Known Use of crossing–over

1912


Medical Dictionary

crossing–over

play
noun cross·ing–over \ˌkrȯ-siŋ-ˈō-vər\

Medical Definition of crossing–over

  1. :  an interchange of genes or segments between homologous chromosomes


Seen and Heard

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

WORD OF THE DAY

skillful, artistic, or intricate

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • hot-dog--hot-dog--hot-dog--hot-dog-cat
  • Which of the following words is not a synonym for ‘a young person’?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ