Share this entry

Share this page

chromatid

Line breaks: chro¦ma|tid
Pronunciation: /ˈkrəʊmətɪd
 
/

Definition of chromatid in English:

noun

Biology
Each of the two thread-like strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA.
Example sentences
  • Any bias in the segregation of one or the other of a pair of homologous chromosomes or chromatids between the oocyte and the polar body can have a dramatic effect on the genetic makeup of a population.
  • A double crossover involving one linear chromatid and both chromatids of the circular chromosome generates a linear trimer.
  • One is the nonreciprocal transfer of information of both DNA strands of a donor chromatid to a chromatid of the homologous chromosome.

Origin

early 20th century: from Greek khrōma, khrōmat- 'colour' + -id2.

Definition of chromatid in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Top searches

= trending
Word of the day vicarious
Pronunciation: vəˈkerēəs
adjective
experienced in the imagination through another person's feelings…