autotetraploid

noun

au·​to·​tet·​ra·​ploid ˌȯ-tō-ˈte-trə-ˌplȯid How to pronounce autotetraploid (audio)
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 noun
plural autotetraploidies

Word History

First Known Use

1930, in the meaning defined above

Time Traveler
The first known use of autotetraploid was in 1930

Dictionary Entries Near autotetraploid

Cite this Entry

“Autotetraploid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/autotetraploid. Accessed 5 Nov. 2024.

Medical Definition

autotetraploid

noun
au·​to·​tet·​ra·​ploid ˌȯt-ō-ˈtet-rə-ˌplȯid How to pronounce autotetraploid (audio)
: an individual that possesses four sets of chromosomes arising from a single parental species compare allotetraploid
autotetraploid adjective
autotetraploidy noun
plural autotetraploidies
Last Updated: - Definition revised
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!