Share this entry

Share this page

extrachromosomal element

Line breaks: extra|chro¦mo¦som¦al elem|ent

Definition of extrachromosomal element in English:

noun

Genetics
The DNA of a cytoplasmic organelle, such as a mitochondrion or chloroplast, responsible for cytoplasmic inheritance.
Example sentences
  • If, on the other hand, excision occurs by 1-bp staggered cuts, we expect that only the first nucleotide flanking the extrachromosomal element will correspond to the donor site.
  • The difficulty of removing the amplified gene by repeated backcrossings may suggest the presence of an extrachromosomal element, as often observed in other protozoa.
  • The transgene array in PD3815 is inherited as an extrachromosomal element.

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day terpsichorean
Pronunciation: ˌtəːpsɪkəˈriːən
adjective
relating to dancing