protooncogén

== Spanish == === Pronunciation === IPA(key): /pɾotoonkoˈxen/ [pɾo.t̪o.õŋ.koˈxẽn] Rhymes: -en Syllabification: pro‧to‧on‧co‧gén === Noun === protooncogén m (plural protooncogenes) protooncogene