A haploid organism.

(Made up of somatic cells) containing the diploid chromosome complement twice over. Also as n.: a tetraploid organism.

A sexual organism that is haploid at all stages of its life other than the zygote (which is diploid). Also: any organism at a stage, or during…

A hexaploid organism.

A pentaploid individual, type, or species.

(a) n.an organism having a chromosome complement which differs from the normal tetraploid complement in constitution but not in number; (b) adj.…

An octoploid individual, type, or species.

A triploid organism (see below).

A polyploid organism of this type.

A polyploid organism in which all sets of chromosomes are derived from duplications of a single ancestral genome.

A polyploid organism.

having one or a few extra chromosomes (originally also chromosome fragments) in addition to the usual diploid set; containing such cells; also as n.…

A hybrid polyploid organism having a diploid set of chromosomes derived from each of its parents; a double diploid; = amphidiploid, n.

A tetraploid organism in which the four sets of chromosomes are produced by the duplication of the chromosomes of a single diploid species.

having one or a few extra chromosomes (originally also chromosome fragments) in addition to a haploid, diploid, triploid, etc., set; containing…

(a) adj. having one or a few chromosomes (originally also chromosome fragments) missing from a haploid, diploid, triploid, etc., set; containing such…

= autopolyploid, n.

A polysomic organism or chromosome.

A mixoploid individual.

A monoploid organism (usually a plant).

= allopolyploid n. at allopolyploidy, n. derivatives.

A merodiploid microorganism.

A merodiploid organism.