extrachromosomal

/ek-struh-kroh-muh-soh-muhl/US // ˌɛk strəˌkroʊ məˈsoʊ məl //

染色体外,染色体外的,染色体外遗传,染色体外孕

Definitions

adj.形容词 adjective

1
Genetics.
- : of or relating to DNA that exists outside the main chromosome and acts independently.