sister chromatid

noun
plural sister chromatids

Definition of sister chromatid

: either of the two identical chromatids that are formed by replication of a chromosome during the S phase of the cell cycle, are joined by a centromere, and segregate into separate daughter cells during anaphase The name cohesin is derived from its function in maintaining the cohesion of sister chromatids after DNA replication; this ensures their faithful segregation into daughter cells during mitosis.Science

First Known Use of sister chromatid

1914, in the meaning defined above

Keep scrolling for more

Learn More about sister chromatid

Statistics for sister chromatid

Look-up Popularity

Time Traveler for sister chromatid

The first known use of sister chromatid was in 1914

See more words from the same year

Keep scrolling for more

More Definitions for sister chromatid

sister chromatid

noun

Medical Definition of sister chromatid

: either of the two identical chromatids that are formed by replication of a chromosome during the S phase of the cell cycle, are joined by a centromere, and segregate into separate daughter cells during anaphase

Comments on sister chromatid

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

WORD OF THE DAY

to shake or wave menacingly

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!