autotetraploid

noun

au·​to·​tet·​ra·​ploid ˌȯ-tō-ˈte-trə-ˌplȯid 

plural autotetraploids

: an individual that possesses four sets of chromosomes arising from a single parental species

Potatoes were domesticated approximately 10,000 years ago in the Andes, and landraces still farmed today have a wide variety of shapes and skin and tuber colors often not seen in modern varieties. … Most commercial cultivars are autotetraploids …; however, diploids, triploids, and pentaploids are found among the cultivated native landraces throughout the Andes.

—David Ellis et al.

compare allotetraploid

autotetraploid adjective

an autotetraploid flowering plant

Unlike corn or soybeans, alfalfa plants are autotetraploid; that is, each trait is determined by genes residing in four chromosomes instead of two.

—Jan Suszkiw

autotetraploidy

ˌȯ-tō-ˈte-trə-ˌplȯi-dē 

noun

plural autotetraploidies

Word History

Etymology

auto- + tetraploid entry 2

First Known Use

1930, in the meaning defined above

Medical Definition

autotetraploid

noun

au·​to·​tet·​ra·​ploid ˌȯt-ō-ˈtet-rə-ˌplȯid 

: an individual that possesses four sets of chromosomes arising from a single parental species compare allotetraploid

autotetraploid adjective

autotetraploidy

-ˌplȯid-ē 

noun

plural autotetraploidies