triploid
Speech parts
1. triploid - Noun
2. triploid - Adjective
3. triploid - Adjective Satellite
Meaning
of a cell or organism having three complete sets of chromosomes
Source: WordNetExamples
human triploid fetuses are usually spontaneously aborted
All modern plantain cultivars have three sets of chromosomes (i.e. they are triploid).
During double fertilisation in angiosperms the haploid male gamete combines with two haploid polar nuclei to form a triploid primary endosperm nucleus by the process of vegetative fertilisation.
As the zygote develops into an embryo, the triploid cell develops into the endosperm, which serves as the embryo's food supply.
In order to prevent polyspermy and minimise the possibility of producing a triploid zygote, several changes to the egg's zona pellucida renders them impenetrable shortly after the first sperm enters the egg.
In global commerce in 2009, by far the most important cultivars belonged to the triploid AAA group of Musa acuminata, commonly referred to as Cavendish group bananas.