allotetraploidy
/ˌaləʊˈtɛtrəplɔɪdi/ /ˌaləˈtɛtrəplɔɪdi/Biology
noun
The state or condition of being allotetraploid; the act or process of a hybrid becoming a new species by becoming an allotetraploid.
Origin
1930s; earliest use found in Proceedings Linnean Society. From allo- + tetraploidy, after allotetraploid.