Trisomy is a genetic condition where a person is born with an extra chromosome. The most common type of trisomy is Down syndrome.

Oct 21, 2025 · A trisomy is a genetic disorder in which a person has three chromosomes instead of the usual two. The most well-known trisomy is Down syndrome, but there are others like …

A trisomy is a type of polysomy in which there are three instances of a particular chromosome, instead of the normal two. [1] A trisomy is a type of aneuploidy (an abnormal number of …

Trisomy (‘three bodies’) means the affected person has 47 chromosomes instead of 46. Down syndrome, Edward syndrome and Patau syndrome are the most common forms of trisomy.

Trisomy, abnormality in chromosome number (aneuploidy), characterized by the existence of an extra chromosome, resulting in three copies of the affected chromosome, rather than the …

In trisomy, the extra chromosome brings the total count to 47, which can disrupt normal development and function. Trisomy can affect any chromosome and may result in mild to …

Apr 25, 2025 · Trisomy is a genetic condition that occurs when an individual has three copies of a particular chromosome instead of the usual two. This extra genetic material can lead to a …

Oct 24, 2025 · Trisomy refers to a genetic condition where an individual has an extra chromosome, resulting in three copies instead of the usual two. This anomaly can lead to a …

Trisomy 18 and trisomy 13 are genetic disorders that present a combination of birth defects including severe intellectual disabilities, as well as health problems involving nearly every …

Trisomy primarily arises from a cellular error known as nondisjunction, which occurs during meiosis, the specialized cell division process that creates sperm and egg cells. During normal …