1. Having more than the normal diploid number of chromosomes; possessing an abnormal excess of genetic material.
Usage: genetics; biology

1. An organism or cell that has more than the normal diploid number of chromosomes.
Usage: genetics; biology

Examples

• The hyperploid cell contained three copies of chromosome 21 instead of the normal two.
• Researchers studied hyperploid fruit flies to understand the effects of extra genetic material.
• Some hyperploid plants exhibit increased vigor and larger flowers than their diploid relatives.
• The condition of being hyperploid can result from nondisjunction during meiosis.
• Hyperploid organisms often display unusual phenotypic traits due to gene dosage imbalance.