| extrachromosomal | Outside of, or separated from, a chromosome. (05 Mar 2000) |
|---|---|
| extrachromosomal DNA | DNA that occurs naturally outside of the nucleus (e.g., mitochondrial DNA). (05 Mar 2000) |
| extrachromosomal element | Any heritable element not associated with the chromosome. It is usually a plasmid or the DNA of organelles such as mitochondria and chloroplasts. (18 Nov 1997) |
| extrachromosomal gene | A gene located outside of the nucleus (e.g., mitochondrial genes). (05 Mar 2000) |
| extrachromosomal inheritance | Transmission of hereditary characters by non-chromosomal replicating cytoplasmic structures such as mitochondria, plastids, and plasmids. (12 Dec 1998) |