1. having three copies of a particular chromosome instead of the normal two
Usage: medical; genetics

1. an individual having three copies of a particular chromosome
Usage: medical; genetics

Examples

• The patient was diagnosed with a trisomic condition affecting chromosome 21.
• Down syndrome results from trisomic cells containing an extra copy of chromosome 21.
• Genetic testing revealed that the fetus was trisomic for chromosome 18.
• The trisomic individual required specialized medical care throughout life.
• Researchers studied the effects of trisomic mutations on cellular development.
• The laboratory identified several trisomic cell lines in the sample.