1. Plural of disomy; the condition of having two copies of a particular chromosome instead of the normal pair, or the presence of an extra chromosome in a diploid organism.
Usage: genetics; medical; technical

Examples

• Disomies can occur when nondisjunction during meiosis results in an abnormal number of chromosomes.
• Some disomies are compatible with life, while others result in severe developmental disorders.
• The study examined various disomies in the patient population to identify chromosomal abnormalities.
• Maternal age is a known risk factor for certain disomies in offspring.