autopolyploidy
/ˌɔːtə(ʊ)ˈpɒlɪplɔɪdi/Biology
noun
The state or condition of being autopolyploid; the process of chromosome doubling through which an autopolyploid is formed.
Origin
1920s; earliest use found in Cyril Darlington (1903–1981), cytogeneticist and evolutionist. From auto- + polyploidy, after German Autopolyploidie.