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.