autotetraploid
/ˌɔːtə(ʊ)ˈtɛtrəplɔɪd/Biology
noun
A tetraploid organism in which the four sets of chromosomes are produced by the duplication of the chromosomes of a single diploid species.
adjective
Of an organism or population: characterized by autotetraploidy.
Origin
1930s; earliest use found in John Burdon Sanderson Haldane (1892–1964), geneticist. From auto- + tetraploid.