allotetraploid

noun

al·​lo·​te·​tra·​ploid ˌa-lō-ˈte-trə-ˌplȯid 

plural allotetraploids

: an individual that is a hybrid of two different species and that possesses four sets of chromosomes : amphidiploid

… [the coffee plant Coffea arabica] is an allotetraploid, meaning that sometime during its evolution it likely got two full sets of chromosomes from two diploid species that hybridized, giving it 44 chromosomes.

—Fernando E. Vega

compare autotetraploid

allotetraploid adjective

an allotetraploid fish

allotetraploidy

ˌa-lō-ˈte-trə-ˌplȯi-dē 

noun

plural allotetraploidies

Word History

Etymology

allo- + tetraploid entry 2, probably after German Allotetraploid (noun), allotetraploid (adjective)

First Known Use

1930, in the meaning defined above

Medical Definition

allotetraploid

noun

al·​lo·​te·​tra·​ploid ˌal-ō-ˈte-trə-ˌplȯid 

: an individual that is a hybrid of two different species and that possesses four sets of chromosomes : amphidiploid compare autotetraploid

allotetraploid adjective

allotetraploidy

-ˌplȯid-ē 

noun

plural allotetraploidies