Definition of extrachromosomal element in English:

extrachromosomal element

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

noun

Genetics
The DNA of a cytoplasmic organelle, such as a mitochondrion or chloroplast, responsible for cytoplasmic inheritance.
More 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.

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